diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
index aa339be9ba94ed776fa25f2d72f9e6b25dc86cd3..4c6c725942b3d6f2a42938d444ac7645526623cc 100644
--- a/browser/components/preferences/main.js
+++ b/browser/components/preferences/main.js
@@ -389,7 +389,7 @@ 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