diff --git a/kallithea/lib/vcs/backends/hg/repository.py b/kallithea/lib/vcs/backends/hg/repository.py
--- a/kallithea/lib/vcs/backends/hg/repository.py
+++ b/kallithea/lib/vcs/backends/hg/repository.py
@@ -265,7 +265,7 @@ class MercurialRepository(BaseRepository
             self.get_changeset(rev1)
         self.get_changeset(rev2)
         if path:
-            file_filter = match(self.path, '', [path])
+            file_filter = match(self.path, '', [path], exact=True)
         else:
             file_filter = None
 
diff --git a/kallithea/tests/vcs/test_repository.py b/kallithea/tests/vcs/test_repository.py
--- a/kallithea/tests/vcs/test_repository.py
+++ b/kallithea/tests/vcs/test_repository.py
@@ -79,6 +79,14 @@ class RepositoryGetDiffTest(_BackendTest
                 ],
                 'removed': [FileNode('foobar')],
             },
+            {
+                'message': u'Commit that contains glob pattern in filename',
+                'author': 'Jane Doe <jane.doe@example.com>',
+                'date': datetime.datetime(2010, 1, 1, 22),
+                'added': [
+                    FileNode('README{', content='Strangely-named README file'),
+                ],
+            },
         ]
         return commits
 
@@ -86,6 +94,11 @@ class RepositoryGetDiffTest(_BackendTest
         with self.assertRaises(ChangesetDoesNotExistError):
             self.repo.get_diff('a' * 40, 'b' * 40)
 
+    def test_glob_patterns_in_filename_do_not_raise_exception(self):
+        revs = self.repo.revisions
+
+        diff = self.repo.get_diff(revs[2], revs[3], path='README{') # should not raise
+
 
 class GitRepositoryGetDiffTest(RepositoryGetDiffTest, unittest.TestCase):
     backend_alias = 'git'
@@ -153,6 +166,18 @@ index c11c37d41d33fb47741cff93fa5f9d798c
 +FOOBAR
 ''')
 
+    def test_fourth_changeset_diff(self):
+        revs = self.repo.revisions
+        self.assertEqual(self.repo.get_diff(revs[2], revs[3]), '''diff --git a/README{ b/README{
+new file mode 100644
+index 0000000000000000000000000000000000000000..cdc0c1b5d234feedb37bbac19cd1b6442061102d
+--- /dev/null
++++ b/README{
+@@ -0,0 +1 @@
++Strangely-named README file
+\ No newline at end of file
+''')
+
 
 class HgRepositoryGetDiffTest(RepositoryGetDiffTest, unittest.TestCase):
     backend_alias = 'hg'
@@ -214,6 +239,17 @@ diff --git a/foobar3 b/foobar3
 +FOOBAR
 ''')
 
+    def test_fourth_changeset_diff(self):
+        revs = self.repo.revisions
+        self.assertEqual(self.repo.get_diff(revs[2], revs[3]), '''diff --git a/README{ b/README{
+new file mode 100644
+--- /dev/null
++++ b/README{
+@@ -0,0 +1,1 @@
++Strangely-named README file
+\ No newline at end of file
+''')
+
 
 # For each backend create test case class
 for alias in SCM_TESTS: