--- a/browser/extensions/formautofill/locales/jar.mn
+++ b/browser/extensions/formautofill/locales/jar.mn
@@ -1,8 +1,8 @@
 #filter substitution
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-@AB_CD@.jar:
+[features/formautofill@mozilla.org] @AB_CD@.jar:
 % locale formautofill @AB_CD@ %locale/@AB_CD@/
-  locale/@AB_CD@/                (en-US/*)
+  locale/@AB_CD@/formautofill.properties (%formautofill.properties)