diff --git a/sib-notifications.js b/sib-notifications.js
index 754301f950b03d04cbe201a2132ceb14225f97d5..c0fa2a15181dccbfe62fb772ca6f79535a97e7f1 100644
--- a/sib-notifications.js
+++ b/sib-notifications.js
@@ -36,6 +36,12 @@ class SIBNotifications extends SIBTemplateElement {
       }
     })
 
+    // Document -> close menu
+    document.addEventListener("click", event => {
+      if (!event.target.closest('.sib-notifications')) {
+        this.querySelector('details').removeAttribute("open")
+      }
+    });
   }
 
   static get propsDefinition() {