diff --git a/bitbake/lib/bb/fetch/git.py b/bitbake/lib/bb/fetch/git.py
index e77d2a5b91..9cd538854f 100644
--- a/bitbake/lib/bb/fetch/git.py
+++ b/bitbake/lib/bb/fetch/git.py
@@ -169,7 +169,7 @@ class Git(Fetch):
         """
         Return a unique key for the url
         """
-        return "git:" + ud.host + ud.path.replace('/', '.')
+        return "git:" + ud.host + ud.path.replace('/', '.') + ud.branch
 
     def _latest_revision(self, url, ud, d):
         """