diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 7af9a13..f1e5af4 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -46,6 +46,7 @@
 #include <linux/in6.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
+#include <net/ipv6.h>
 
 #define IN6_ADDR_HSIZE		16