diff --git a/src/gui/src/UI/Dashboard/UIItemPropertiesModal.js b/src/gui/src/UI/Dashboard/UIItemPropertiesModal.js
index 73df10740..2532b8e1f 100644
--- a/src/gui/src/UI/Dashboard/UIItemPropertiesModal.js
+++ b/src/gui/src/UI/Dashboard/UIItemPropertiesModal.js
@@ -289,7 +289,9 @@ export default function UIItemPropertiesModal ({ name, path: item_path, uid, $co
             if ( closed ) return;
             $list.html(`<div class="item-props-empty">${i18n('error_unknown_cause')}</div>`);
         },
-    });
+    })
+        // The error callback renders the failure; the promise rejects with it too.
+        .catch(() => {});
 
     return { close };
 }