diff --git a/src/errors.h b/src/errors.h
index 09679b2..46de733 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -502,3 +502,7 @@
 	INIT(= N_("E1209: Invalid value for a line number: \"%s\""));
 EXTERN char e_number_required_for_argument_nr[]
 	INIT(= N_("E1210: Number required for argument %d"));
+EXTERN char e_list_required_for_argument_nr[]
+	INIT(= N_("E1211: List required for argument %d"));
+EXTERN char e_bool_required_for_argument_nr[]
+	INIT(= N_("E1211: Bool required for argument %d"));