diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 25bd2b89fe3f3b8d588cad2c72b3cc9b3ebae2cb..eeac64ccc7308e88c5afa36b1d39fc307d7c0eba 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -73,7 +73,7 @@ static void warn_ignored_character(char chr)
 {
 	fprintf(stderr,
 	        "%s:%d:warning: ignoring unsupported character '%c'\n",
-	        zconf_curname(), zconf_lineno(), chr);
+	        current_file->name, yylineno, chr);
 }
 %}