diff --git a/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown.js b/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown.js
index 42ae98beda..a034eb869d 100644
--- a/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown.js
+++ b/polygerrit-ui/app/elements/shared/gr-dropdown/gr-dropdown.js
@@ -98,6 +98,9 @@
     },
 
     _computeLinkURL(link) {
+      if (typeof link.url === 'undefined') {
+        return '';
+      }
       if (link.target) {
         return link.url;
       }