diff --git a/appmanage/api/service/manage.py b/appmanage/api/service/manage.py
index 98ef651e..21122f5e 100644
--- a/appmanage/api/service/manage.py
+++ b/appmanage/api/service/manage.py
@@ -553,7 +553,7 @@ def app_domain_delete(app_id):
     if proxy != None:
         proxy_id = proxy["id"]
         token = get_token()
-        url = "http://172.17.0.1:9092/api/nginx/proxy-hosts/" + proxy_id
+        url = "http://172.17.0.1:9092/api/nginx/proxy-hosts/" + str(proxy_id)
         headers = {
             'Authorization': token,
             'Content-Type': 'application/json'