diff --git a/kallithea/lib/diffs.py b/kallithea/lib/diffs.py
--- a/kallithea/lib/diffs.py
+++ b/kallithea/lib/diffs.py
@@ -157,11 +157,12 @@ class DiffProcessor(object):
     _chunk_re = re.compile(r'^@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@(.*)')
     _newline_marker = re.compile(r'^\\ No newline at end of file')
     _git_header_re = re.compile(r"""
-        #^diff[ ]--git
+        # has already been split on this:
+        # ^diff[ ]--git
             [ ]a/(?P<a_path>.+?)[ ]b/(?P<b_path>.+?)\n
         (?:^similarity[ ]index[ ](?P<similarity_index>\d+)%\n
-           ^rename[ ]from[ ](?P<rename_from>\S+)\n
-           ^rename[ ]to[ ](?P<rename_to>\S+)(?:\n|$))?
+           ^rename[ ]from[ ](?P<rename_from>.+)\n
+           ^rename[ ]to[ ](?P<rename_to>.+)(?:\n|$))?
         (?:^old[ ]mode[ ](?P<old_mode>\d+)\n
            ^new[ ]mode[ ](?P<new_mode>\d+)(?:\n|$))?
         (?:^new[ ]file[ ]mode[ ](?P<new_file_mode>.+)(?:\n|$))?
@@ -173,15 +174,16 @@ class DiffProcessor(object):
         (?:^\+\+\+[ ](b/(?P<b_file>.+)|/dev/null)(?:\n|$))?
     """, re.VERBOSE | re.MULTILINE)
     _hg_header_re = re.compile(r"""
-        #^diff[ ]--git
+        # has already been split on this:
+        # ^diff[ ]--git
             [ ]a/(?P<a_path>.+?)[ ]b/(?P<b_path>.+?)\n
         (?:^old[ ]mode[ ](?P<old_mode>\d+)\n
            ^new[ ]mode[ ](?P<new_mode>\d+)(?:\n|$))?
         (?:^similarity[ ]index[ ](?P<similarity_index>\d+)%(?:\n|$))?
-        (?:^rename[ ]from[ ](?P<rename_from>\S+)\n
-           ^rename[ ]to[ ](?P<rename_to>\S+)(?:\n|$))?
-        (?:^copy[ ]from[ ](?P<copy_from>\S+)\n
-           ^copy[ ]to[ ](?P<copy_to>\S+)(?:\n|$))?
+        (?:^rename[ ]from[ ](?P<rename_from>.+)\n
+           ^rename[ ]to[ ](?P<rename_to>.+)(?:\n|$))?
+        (?:^copy[ ]from[ ](?P<copy_from>.+)\n
+           ^copy[ ]to[ ](?P<copy_to>.+)(?:\n|$))?
         (?:^new[ ]file[ ]mode[ ](?P<new_file_mode>.+)(?:\n|$))?
         (?:^deleted[ ]file[ ]mode[ ](?P<deleted_file_mode>.+)(?:\n|$))?
         (?:^index[ ](?P<a_blob_id>[0-9A-Fa-f]+)
diff --git a/kallithea/tests/fixtures/hg_diff_rename_space_cr.diff b/kallithea/tests/fixtures/hg_diff_rename_space_cr.diff
--- a/kallithea/tests/fixtures/hg_diff_rename_space_cr.diff
+++ b/kallithea/tests/fixtures/hg_diff_rename_space_cr.diff
@@ -1,12 +1,12 @@
-diff --git a/ohno b/ohyes
-rename from ohno
-rename to ohyes
---- a/ohno	
-+++ b/ohyes	
+diff --git a/oh no b/oh yes
+rename from oh no
+rename to oh yes
+--- a/oh no	
++++ b/oh yes	
 @@ -1,5 +1,6 @@
  1
 -2
+ 2
--3
 
+-3
 
 +2
 +3
  4
diff --git a/kallithea/tests/models/test_diff_parsers.py b/kallithea/tests/models/test_diff_parsers.py
--- a/kallithea/tests/models/test_diff_parsers.py
+++ b/kallithea/tests/models/test_diff_parsers.py
@@ -248,11 +248,11 @@ DIFF_FIXTURES = {
                   MOD_FILENODE: 'modified file'}}),
     ],
     'hg_diff_rename_space_cr.diff': [
-        ('ohyes', 'R',
+        ('oh yes', 'R',
          {'added': 4,
           'deleted': 2,
           'binary': False,
-          'ops': {RENAMED_FILENODE: 'file renamed from ohno to ohyes'}}),
+          'ops': {RENAMED_FILENODE: 'file renamed from oh no to oh yes'}}),
     ],
 }