diff --git a/api/controllers/console/app/mcp_server.py b/api/controllers/console/app/mcp_server.py
index 4b20418b53..64c8358ae5 100644
--- a/api/controllers/console/app/mcp_server.py
+++ b/api/controllers/console/app/mcp_server.py
@@ -102,11 +102,11 @@ class AppMCPServerController(Resource):
         if not server:
             raise NotFound()
 
-        description = payload.description
-        if description is None or not description:
-            server.description = app_model.description or ""
+        # Always sync description from app model unless explicitly provided
+        if payload.description:
+            server.description = payload.description
         else:
-            server.description = description
+            server.description = app_model.description or ""
 
         server.name = app_model.name