diff --git a/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py b/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py
index b0ae03c94d3..b731bc7bc2f 100644
--- a/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py
+++ b/litellm/proxy/_experimental/mcp_server/discoverable_endpoints.py
@@ -498,7 +498,7 @@ def _build_oauth_protected_resource_response(
             )
         ],
         "resource": resource_url,
-        "scopes_supported": mcp_server.scopes if mcp_server else [],
+        "scopes_supported": mcp_server.scopes if mcp_server and mcp_server.scopes else [],
     }
 
 
@@ -605,7 +605,7 @@ def _build_oauth_authorization_server_response(
         "authorization_endpoint": authorization_endpoint,
         "token_endpoint": token_endpoint,
         "response_types_supported": ["code"],
-        "scopes_supported": mcp_server.scopes if mcp_server else [],
+        "scopes_supported": mcp_server.scopes if mcp_server and mcp_server.scopes else [],
         "grant_types_supported": ["authorization_code", "refresh_token"],
         "code_challenge_methods_supported": ["S256"],
         "token_endpoint_auth_methods_supported": ["client_secret_post"],