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
@@ -540,14 +540,13 @@ class MercurialRepository(BaseRepository
         if branch_name:
             filter_.append('branch("%s")' % (branch_name))
 
-        if start_date and not end_date:
+        if start_date:
             filter_.append('date(">%s")' % start_date)
-        if end_date and not start_date:
+        if end_date:
             filter_.append('date("<%s")' % end_date)
-        if start_date and end_date:
-            filter_.append('date(">%s") and date("<%s")' % (start_date, end_date))
         if filter_:
-            revisions = scmutil.revrange(self._repo, filter_)
+            revspec = ' and '.join(filter_)
+            revisions = scmutil.revrange(self._repo, [revspec])
         else:
             revisions = self.revisions
 
diff --git a/kallithea/tests/api/api_base.py b/kallithea/tests/api/api_base.py
--- a/kallithea/tests/api/api_base.py
+++ b/kallithea/tests/api/api_base.py
@@ -21,6 +21,8 @@ import random
 import mock
 import re
 
+import pytest
+
 from kallithea.tests.base import *
 from kallithea.tests.fixture import Fixture
 from kallithea.lib.compat import json
@@ -2501,6 +2503,19 @@ class _BaseTestApi(object):
         assert 'message' in result[0]
         assert 'added' not in result[0]
 
+    def test_api_get_changesets_with_branch(self):
+        if self.REPO == 'vcs_test_hg':
+            branch = 'stable'
+        else:
+            pytest.skip("skipping due to missing branches in git test repo")
+        id_, params = _build_data(self.apikey, 'get_changesets',
+                                  repoid=self.REPO, branch_name=branch, start_date="2011-02-24T00:00:00")
+        response = api_call(self, params)
+        result = json.loads(response.body)["result"]
+        assert len(result) == 5
+        assert 'message' in result[0]
+        assert 'added' not in result[0]
+
     def test_api_get_changesets_with_file_list(self):
         id_, params = _build_data(self.apikey, 'get_changesets',
                                   repoid=self.REPO, start_date="2010-04-07T23:30:30", end_date="2010-04-08T00:31:14", with_file_list=True)