diff --git a/compose/functions.c b/compose/functions.c
index eb0740325de..3b4e52d9aa4 100644
--- a/compose/functions.c
+++ b/compose/functions.c
@@ -1229,7 +1229,8 @@ static int op_attachment_filter(struct ComposeSharedData *shared, int op)
     mutt_error(_("Can't filter multipart attachments"));
     return IR_ERROR;
   }
-  mutt_pipe_attachment_list(actx, NULL, menu->tagprefix, cur_att->body, (op == OP_FILTER));
+  mutt_pipe_attachment_list(actx, NULL, menu->tagprefix, cur_att->body,
+                            (op == OP_ATTACHMENT_FILTER));
   if (op == OP_ATTACHMENT_FILTER) /* cte might have changed */
   {
     menu_queue_redraw(menu, menu->tagprefix ? MENU_REDRAW_FULL : MENU_REDRAW_CURRENT);
diff --git a/opcodes.h b/opcodes.h
index bb3af7e6abc..222f0ee89cf 100644
--- a/opcodes.h
+++ b/opcodes.h
@@ -143,7 +143,6 @@
   _fmt(OP_ENTER_COMMAND,                      N_("enter a neomuttrc command")) \
   _fmt(OP_ENTER_MASK,                         N_("enter a file mask")) \
   _fmt(OP_EXIT,                               N_("exit this menu")) \
-  _fmt(OP_FILTER,                             N_("filter attachment through a shell command")) \
   _fmt(OP_FIRST_ENTRY,                        N_("move to the first entry")) \
   _fmt(OP_FLAG_MESSAGE,                       N_("toggle a message's 'important' flag")) \
   _fmt(OP_FOLLOWUP,                           N_("followup to newsgroup")) \