--- a/hgext/evolve.py	Tue Mar 18 12:59:49 2014 -0700
+++ b/hgext/evolve.py	Wed Mar 19 20:15:55 2014 -0700
@@ -2447,7 +2447,7 @@
     result = dag.headsetofconnecteds(common)
     ui.debug("%d total queries\n" % roundtrips)
 
-    if not result and srvheadhashes != [nullid]:
+    if not result:
         return set([nullid])
     return dag.externalizeall(result)