diff --git a/browser/base/content/browser-sets.js b/browser/base/content/browser-sets.js
index 0bb581aa34ddeef1e3eb85b0fadd41a539b4b9d6..cbe2df8b1775cb8194007ee995fd91769618b48d 100644
--- a/browser/base/content/browser-sets.js
+++ b/browser/base/content/browser-sets.js
@@ -254,7 +254,7 @@ 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,