diff --git a/src/zen/folders/ZenFolder.mjs b/src/zen/folders/ZenFolder.mjs
index f7da4979b..b5b0da8e0 100644
--- a/src/zen/folders/ZenFolder.mjs
+++ b/src/zen/folders/ZenFolder.mjs
@@ -242,7 +242,7 @@ export class nsZenFolder extends MozTabbrowserTabGroup {
   }
 
   get resetButton() {
-    return this.labelElement.parentElement.querySelector(".tab-reset-button");
+    return this.labelElement.parentElement?.querySelector(".tab-reset-button") ?? null;
   }
 
   unloadAllTabs(event) {