diff --git a/Chanban/cmgmt_langs/en.msg b/Chanban/cmgmt_langs/en.msg
index 37d58a0..8011b52 100644
--- a/Chanban/cmgmt_langs/en.msg
+++ b/Chanban/cmgmt_langs/en.msg
@@ -29,6 +29,9 @@
 ### Error message when we try to ban/kick a protected nick ($target)
 ::msgcat::mcset en protected.user "ERROR! %s is a protected nick and can't be banned/kicked."
 
+### Error message when we add a mask that matches a protected user/mask
+::msgcat::mcset en prot.user.addban "ERROR! This mask matches a protected user and can't be added."
+
 ### Message to be displayed when a ban is added to the bot ban list ($banmask)
 ::msgcat::mcset en ban.added "%s added to %s's ban list."