diff --git a/kallithea/lib/vcs/backends/hg/changeset.py b/kallithea/lib/vcs/backends/hg/changeset.py
--- a/kallithea/lib/vcs/backends/hg/changeset.py
+++ b/kallithea/lib/vcs/backends/hg/changeset.py
@@ -38,6 +38,10 @@ class MercurialChangeset(BaseChangeset):
         return  safe_unicode(self._ctx.branch())
 
     @LazyProperty
+    def closesbranch(self):
+        return  self._ctx.closesbranch()
+
+    @LazyProperty
     def bookmarks(self):
         return map(safe_unicode, self._ctx.bookmarks())