diff --git a/browser/base/content/browser-sets.js b/browser/base/content/browser-sets.js
index 9cff49a7b86f7697f70c4ef61d3c3561f058dc45..15ac9a8a79e8642b3add2f6df63ed32eb0c8bcb9 100644
--- a/browser/base/content/browser-sets.js
+++ b/browser/base/content/browser-sets.js
@@ -253,7 +253,7 @@ document.addEventListener(
         }
       });
 
-    document.getElementById("mainKeyset").addEventListener("command", event => {
+    document.getElementById("zenKeyset").addEventListener("command", event => {
       const SIDEBAR_REVAMP_PREF = "sidebar.revamp";
       const SIDEBAR_REVAMP_ENABLED = Services.prefs.getBoolPref(
         SIDEBAR_REVAMP_PREF,