diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 4a9af6f..f379b0b 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -74,6 +74,7 @@
 
 /* confdata.c */
 const char *conf_get_configname(void);
+const char *conf_get_autoconfig_name(void);
 char *conf_get_default_confname(void);
 void sym_set_change_count(int count);
 void sym_add_change_count(int count);