diff --git a/app.py b/app.py
index 6b9f18a3f..8e2c0f17b 100644
--- a/app.py
+++ b/app.py
@@ -284,7 +284,7 @@ def app_upgrade(auth, app=[], url=None, file=None):
     upgraded_apps = []
 
     # If no app is specified, upgrade all apps
-    if not app and url == None:
+    if not app and (not url or file):
         app = os.listdir(apps_setting_path)
     elif not isinstance(app, list):
         app = [ app ]