diff --git a/appmanage/api/service/manage.py b/appmanage/api/service/manage.py
index 3fe02148..106ff3d4 100644
--- a/appmanage/api/service/manage.py
+++ b/appmanage/api/service/manage.py
@@ -44,6 +44,7 @@ def get_my_app(app_id):
     installing_list = get_apps_from_queue()
     app_list = installed_list + installing_list
     find = False
+    ret = {}
     if app_id != None:
         for app in app_list:
             if app_id == app.app_id: