diff --git a/browser/components/BrowserGlue.sys.mjs b/browser/components/BrowserGlue.sys.mjs
index b888a753a7f23a9800fe04da51a4e6b898314ff2..a6a01cf035253b05ea7b20b434cf2002ff115d96 100644
--- a/browser/components/BrowserGlue.sys.mjs
+++ b/browser/components/BrowserGlue.sys.mjs
@@ -121,6 +121,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
   WindowsGPOParser: "resource://gre/modules/policies/WindowsGPOParser.sys.mjs",
   clearTimeout: "resource://gre/modules/Timer.sys.mjs",
   setTimeout: "resource://gre/modules/Timer.sys.mjs",
+  gZenUIMigration: "chrome://browser/content/zen-components/ZenUIMigration.mjs",
 });
 
 if (AppConstants.MOZ_UPDATER) {
@@ -1951,6 +1952,7 @@ BrowserGlue.prototype = {
 
     lazy.UrlbarPrefs.updateFirefoxSuggestScenario();
 
+    lazy.gZenUIMigration.init(this._isNewProfile, aWindow);
     // A channel for "remote troubleshooting" code...
     let channel = new lazy.WebChannel(
       "remote-troubleshooting",