diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 0b816cae533eea35ece747f5c7921a3df8c979e3..476d9464ac82d27c53a0fc48c435639f77391dcd 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -1,6 +1,7 @@
 #ifndef _IPV6_H
 #define _IPV6_H
 
+#include <linux/types.h>
 #include <linux/in6.h>
 #include <asm/byteorder.h>