diff --git a/src/errors.h b/src/errors.h
index 6ca05b5..fd64420 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -2885,8 +2885,8 @@
 	INIT(= N_("E1115: \"assert_fails()\" fourth argument must be a number"));
 EXTERN char e_assert_fails_fifth_argument[]
 	INIT(= N_("E1116: \"assert_fails()\" fifth argument must be a string"));
-EXTERN char e_cannot_use_bang_with_nested_def[]
-	INIT(= N_("E1117: Cannot use ! with nested :def"));
+EXTERN char e_cannot_use_bang_with_nested_def_str[]
+	INIT(= N_("E1117: Cannot use ! with nested %s"));
 EXTERN char e_cannot_change_locked_list[]
 	INIT(= N_("E1118: Cannot change locked list"));
 EXTERN char e_cannot_change_locked_list_item[]