diff --git a/kallithea/lib/vcs/backends/base.py b/kallithea/lib/vcs/backends/base.py
--- a/kallithea/lib/vcs/backends/base.py
+++ b/kallithea/lib/vcs/backends/base.py
@@ -374,6 +374,8 @@ class BaseChangeset(object):
         return u'%s:%s' % (self.revision, self.short_id)
 
     def __eq__(self, other):
+        if type(self) is not type(other):
+            return False
         return self.raw_id == other.raw_id
 
     def __json__(self, with_file_list=False):
diff --git a/kallithea/lib/vcs/nodes.py b/kallithea/lib/vcs/nodes.py
--- a/kallithea/lib/vcs/nodes.py
+++ b/kallithea/lib/vcs/nodes.py
@@ -144,6 +144,8 @@ class Node(object):
     kind = property(_get_kind, _set_kind)
 
     def __eq__(self, other):
+        if type(self) is not type(other):
+            return False
         if self._kind != other._kind:
             return False
         if self.path != other.path: