diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
index c958c7e..8cbef27 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.ts
@@ -2284,7 +2284,7 @@
 
   private updateTitle(change?: ChangeInfo | ParsedChangeInfo) {
     if (!change) return;
-    const title = change.subject + ' (' + change.change_id.substr(0, 9) + ')';
+    const title = `${change.subject} (${change._number})`;
     fireTitleChange(this, title);
   }