diff --git a/kallithea/__init__.py b/kallithea/__init__.py
--- a/kallithea/__init__.py
+++ b/kallithea/__init__.py
@@ -59,7 +59,7 @@ except ImportError:
     pass
 
 # Prefix for the ui and settings table names
-SETTINGS_PREFIX = BRAND + "_"
+DB_PREFIX = (BRAND + "_") if BRAND != "kallithea" else ""
 
 try:
     from kallithea.lib import get_current_revision
diff --git a/kallithea/lib/dbmigrate/schema/db_1_2_0.py b/kallithea/lib/dbmigrate/schema/db_1_2_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_2_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_2_0.py
@@ -49,7 +49,7 @@ from kallithea.lib.compat import json
 from kallithea.model.meta import Base, Session
 from kallithea.lib.caching_query import FromCache
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 log = logging.getLogger(__name__)
 
@@ -143,7 +143,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (UniqueConstraint('app_settings_name'), {'extend_existing':True})
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
@@ -214,7 +214,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (UniqueConstraint('ui_key'), {'extend_existing':True})
 
     HOOK_UPDATE = 'changegroup.update'
diff --git a/kallithea/lib/dbmigrate/schema/db_1_3_0.py b/kallithea/lib/dbmigrate/schema/db_1_3_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_3_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_3_0.py
@@ -51,7 +51,7 @@ from kallithea.lib.caching_query import 
 from kallithea.model.meta import Base, Session
 import hashlib
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 log = logging.getLogger(__name__)
 
@@ -158,7 +158,7 @@ class BaseModel(object):
         return '<DB:%s>' % (self.__class__.__name__)
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
@@ -233,7 +233,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine':'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_4_0.py b/kallithea/lib/dbmigrate/schema/db_1_4_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_4_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_4_0.py
@@ -55,7 +55,7 @@ from kallithea.lib.caching_query import 
 
 from kallithea.model.meta import Base, Session
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
@@ -150,7 +150,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -232,7 +232,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_5_0.py b/kallithea/lib/dbmigrate/schema/db_1_5_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_5_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_5_0.py
@@ -54,7 +54,7 @@ from kallithea.lib.caching_query import 
 
 from kallithea.model.meta import Base, Session
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
@@ -149,7 +149,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -248,7 +248,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_5_2.py b/kallithea/lib/dbmigrate/schema/db_1_5_2.py
--- a/kallithea/lib/dbmigrate/schema/db_1_5_2.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_5_2.py
@@ -58,7 +58,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -150,7 +150,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -249,7 +249,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_6_0.py b/kallithea/lib/dbmigrate/schema/db_1_6_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_6_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_6_0.py
@@ -58,7 +58,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -150,7 +150,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -249,7 +249,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_7_0.py b/kallithea/lib/dbmigrate/schema/db_1_7_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_7_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_7_0.py
@@ -58,7 +58,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -155,7 +155,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -254,7 +254,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_1_8_0.py b/kallithea/lib/dbmigrate/schema/db_1_8_0.py
--- a/kallithea/lib/dbmigrate/schema/db_1_8_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_1_8_0.py
@@ -58,7 +58,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -155,7 +155,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX +  'settings'
+    __tablename__ = DB_PREFIX +  'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -272,7 +272,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_0_0.py b/kallithea/lib/dbmigrate/schema/db_2_0_0.py
--- a/kallithea/lib/dbmigrate/schema/db_2_0_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_0_0.py
@@ -59,7 +59,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -163,7 +163,7 @@ class Setting(Base, BaseModel):
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
     }
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -319,7 +319,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_0_1.py b/kallithea/lib/dbmigrate/schema/db_2_0_1.py
--- a/kallithea/lib/dbmigrate/schema/db_2_0_1.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_0_1.py
@@ -56,7 +56,7 @@ from kallithea.lib.caching_query import 
 
 from kallithea.model.meta import Base, Session
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
@@ -166,7 +166,7 @@ class Setting(Base, BaseModel):
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
     }
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -322,7 +322,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_0_2.py b/kallithea/lib/dbmigrate/schema/db_2_0_2.py
--- a/kallithea/lib/dbmigrate/schema/db_2_0_2.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_0_2.py
@@ -59,7 +59,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -166,7 +166,7 @@ class Setting(Base, BaseModel):
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
     }
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -322,7 +322,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_1_0.py b/kallithea/lib/dbmigrate/schema/db_2_1_0.py
--- a/kallithea/lib/dbmigrate/schema/db_2_1_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_1_0.py
@@ -59,7 +59,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -159,7 +159,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -325,7 +325,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_2_0.py b/kallithea/lib/dbmigrate/schema/db_2_2_0.py
--- a/kallithea/lib/dbmigrate/schema/db_2_2_0.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_2_0.py
@@ -60,7 +60,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -160,7 +160,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -326,7 +326,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/schema/db_2_2_3.py b/kallithea/lib/dbmigrate/schema/db_2_2_3.py
--- a/kallithea/lib/dbmigrate/schema/db_2_2_3.py
+++ b/kallithea/lib/dbmigrate/schema/db_2_2_3.py
@@ -60,7 +60,7 @@ from kallithea.model.meta import Base, S
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 #==============================================================================
 # BASE CLASSES
@@ -160,7 +160,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
@@ -326,7 +326,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
diff --git a/kallithea/lib/dbmigrate/versions/001_initial_release.py b/kallithea/lib/dbmigrate/versions/001_initial_release.py
--- a/kallithea/lib/dbmigrate/versions/001_initial_release.py
+++ b/kallithea/lib/dbmigrate/versions/001_initial_release.py
@@ -12,12 +12,12 @@ from kallithea.model.meta import Base
 
 from kallithea.lib.dbmigrate.migrate import *
 
-from kallithea import SETTINGS_PREFIX
+from kallithea import DB_PREFIX
 
 log = logging.getLogger(__name__)
 
 class Setting(Base):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
     __table_args__ = (UniqueConstraint('app_settings_name'), {'useexisting':True})
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
@@ -32,7 +32,7 @@ class Setting(Base):
                                                 self.app_settings_value)
 
 class Ui(Base):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = {'useexisting':True}
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
diff --git a/kallithea/model/db.py b/kallithea/model/db.py
--- a/kallithea/model/db.py
+++ b/kallithea/model/db.py
@@ -43,6 +43,7 @@ from webob.exc import HTTPNotFound
 
 from pylons.i18n.translation import lazy_ugettext as _
 
+from kallithea import DB_PREFIX
 from kallithea.lib.vcs import get_backend
 from kallithea.lib.vcs.utils.helpers import get_scm
 from kallithea.lib.vcs.exceptions import VCSError
@@ -57,8 +58,6 @@ from kallithea.lib.caching_query import 
 
 from kallithea.model.meta import Base, Session
 
-from kallithea import SETTINGS_PREFIX
-
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
@@ -160,7 +159,7 @@ class BaseModel(object):
 
 
 class Setting(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'settings'
+    __tablename__ = DB_PREFIX + 'settings'
 
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
@@ -327,7 +326,7 @@ class Setting(Base, BaseModel):
 
 
 class Ui(Base, BaseModel):
-    __tablename__ = SETTINGS_PREFIX + 'ui'
+    __tablename__ = DB_PREFIX + 'ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',