diff --git a/pagure/lib/model.py b/pagure/lib/model.py
index 011a6e3..f718a4c 100644
--- a/pagure/lib/model.py
+++ b/pagure/lib/model.py
@@ -67,9 +67,9 @@ def create_tables(db_url, alembic_ini=None, acls=None, debug=False):
     :return a session that can be used to query the database.
 
     """
-    if db_url.startswith('postgres'):
+    if db_url.startswith('postgres'):  # pragma: no cover
         engine = create_engine(db_url, echo=debug, client_encoding='utf8')
-    else:
+    else:  # pragma: no cover
         engine = create_engine(db_url, echo=debug)
 
     from pagure.lib.plugins import get_plugin_tables