diff --git a/config/locales/simple_form.en.yml b/config/locales/simple_form.en.yml
index 7fff363ff17..87334b14e7a 100644
--- a/config/locales/simple_form.en.yml
+++ b/config/locales/simple_form.en.yml
@@ -224,6 +224,7 @@ en:
         email: E-mail address
         expires_in: Expire after
         fields: Extra fields
+        filter_action: Filter action
         header: Header picture
         honeypot: "%{label} (do not fill in)"
         inbox_url: URL of the relay inbox