diff --git a/tools/db/schema_diff.py b/tools/db/schema_diff.py
index 8fd9aad829..99afd3d20f 100755
--- a/tools/db/schema_diff.py
+++ b/tools/db/schema_diff.py
@@ -103,7 +103,7 @@ class Postgres(object):
                 shell=True)
 
     def url(self, name):
-        return 'postgres://localhost/%s' % name
+        return 'postgresql://localhost/%s' % name
 
 
 def _get_db_driver_class(db_type):