diff --git a/src/Util/Constant/PublicTranslations.php b/src/Util/Constant/PublicTranslations.php
index 57b199201..25af4b9ad 100644
--- a/src/Util/Constant/PublicTranslations.php
+++ b/src/Util/Constant/PublicTranslations.php
@@ -31,5 +31,6 @@
         'forgot-password-form.username',
         'forgot-password-form.reset-password',
         'forgot-password-form.back',
+        'forgot-password-form.username.placeholder',
     ];
 }