diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
index a60831d9309ed73ea6d37725f9b9177dd6677501..c4d357d300b08b5adbe24d38eef5bd20842df665 100644
--- a/browser/components/preferences/main.js
+++ b/browser/components/preferences/main.js
@@ -443,7 +443,7 @@ function getBundleForLocales(newLocales) {
     ])
   );
   return new Localization(
-    ["browser/preferences/preferences.ftl", "branding/brand.ftl"],
+    ["browser/preferences/preferences.ftl", "branding/brand.ftl", "browser/preferences/zen-preferences.ftl"],
     false,
     undefined,
     locales