diff --git a/src/dialogs/notifications/persistent-notification-item.ts b/src/dialogs/notifications/persistent-notification-item.ts
index b40a743203..9ddb665718 100644
--- a/src/dialogs/notifications/persistent-notification-item.ts
+++ b/src/dialogs/notifications/persistent-notification-item.ts
@@ -73,6 +73,9 @@ export class HuiPersistentNotificationItem extends LitElement {
       a {
         color: var(--primary-color);
       }
+      ha-markdown {
+        overflow-wrap: break-word;
+      }
     `;
   }