diff --git a/browser/components/tabbrowser/content/tabgroup-menu.js b/browser/components/tabbrowser/content/tabgroup-menu.js
index 19269af06a38..ffa52941da5d 100644
--- a/browser/components/tabbrowser/content/tabgroup-menu.js
+++ b/browser/components/tabbrowser/content/tabgroup-menu.js
@@ -944,7 +944,7 @@
         Glean.tabgroup.groupInteractions.rename.add(1);
       }
       this.activeGroup = null;
-      this.#smartTabGroupingManager.terminateProcess();
+      this.#smartTabGroupingManager?.terminateProcess();
     }
 
     on_keypress(event) {