diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
index e49fcd7..148b908 100644
--- a/include/linux/libfdt_env.h
+++ b/include/linux/libfdt_env.h
@@ -10,6 +10,7 @@
 #define LIBFDT_ENV_H
 
 #include <linux/string.h>
+#include <linux/kernel.h>
 
 #include <asm/byteorder.h>