diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 4e878dda1add..ca16ab4367dd 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -7,6 +7,7 @@
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 5fdf10dc1d8a..d64108bc0cf9 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -3,6 +3,7 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
+#include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 6330cc871a47..e07d557bb3a9 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -5,6 +5,7 @@
  * Released under the terms of the GNU GPL v2.0.
  */
 
+#include <stdarg.h>
 #include <string.h>
 #include "lkc.h"