diff --git a/modules/mailu/module.json b/modules/mailu/module.json
index 45fb0d2..71a4ddf 100644
--- a/modules/mailu/module.json
+++ b/modules/mailu/module.json
@@ -469,7 +469,7 @@
       ],
       "env": {
         "MESH_BROKER_FILE": "/run/secrets/broker",
-        "MESH_MAILU_URL": "http://mailu-admin/api/v1",
+        "MESH_MAILU_URL": "http://mailu-admin:8080/api/v1",
         "MESH_MAILU_API_KEY_FILE": "/run/secrets/api-token",
         "MESH_MAILU_IMAP_CONTAINER": "mailu-imap",
         "MESH_MAILU_CONFIG_FILE": "/run/config/config.json",