diff --git a/include/linux/printk.h b/include/linux/printk.h
index 1c35c23bccd7..4890fe62c011 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -1,6 +1,7 @@
 #ifndef __KERNEL_PRINTK__
 #define __KERNEL_PRINTK__
 
+#include <stdarg.h>
 #include <linux/init.h>
 #include <linux/kern_levels.h>