diff --git a/umap/static/umap/js/modules/request.js b/umap/static/umap/js/modules/request.js
index b90fbf92..d21759ed 100644
--- a/umap/static/umap/js/modules/request.js
+++ b/umap/static/umap/js/modules/request.js
@@ -146,7 +146,7 @@ export class ServerRequest extends Request {
   _onNOK(error) {
     if (error.status === 403) {
       this.ui.alert({
-        content: message || L._('Action not allowed :('),
+        content: error.message || L._('Action not allowed :('),
         level: 'error',
       })
     }