diff --git a/lib/hgaster/ascommands.py b/lib/hgaster/ascommands.py
index 3c1628c9b0a941b08ee4ec0b5f99f287d16bc355..355ea10353d4096bdb99e149d0a276e7583d4708 100644
--- a/lib/hgaster/ascommands.py
+++ b/lib/hgaster/ascommands.py
@@ -1225,6 +1225,10 @@ class Integration(CandidateRevisionCheckAster):
             user = ui.username()
             self._details = ui.edit("", user)
 
+    def check_branch(self, repo, branch):
+        """Check branch validity."""
+        return valid_branch(repo, branch)
+
     def _call_queue_func(self, func):
         """call ``func()`` on the revision passed in arguments"""
         rev = self.args[0]