diff --git a/sat/plugins/plugin_merge_req_mercurial.py b/sat/plugins/plugin_merge_req_mercurial.py
index 72e88142..3b7f193a 100644
--- a/sat/plugins/plugin_merge_req_mercurial.py
+++ b/sat/plugins/plugin_merge_req_mercurial.py
@@ -86,8 +86,10 @@ class MercurialHandler(object):
         return d
 
     def export(self, repository):
-        d = MercurialProtocol.run(repository, 'export', '-g', '-r', 'outgoing()',
-                                  '--encoding=utf-8')
+        d = MercurialProtocol.run(
+            repository, 'export', '-g', '-r', 'outgoing() and ancestors(.)',
+            '--encoding=utf-8'
+        )
         d.addCallback(lambda data: data.decode('utf-8'))
         return d