diff --git a/public/js/notifications-worker.js b/public/js/notifications-worker.js
index ec2b6de9d..3de4a8494 100644
--- a/public/js/notifications-worker.js
+++ b/public/js/notifications-worker.js
@@ -110,7 +110,7 @@ function processMessage (event) {
                         case 'ok':
                             severity = 'ok';
                             break;
-                        case 'warn':
+                        case 'warning':
                             severity = 'warning';
                             break;
                         case 'crit':