diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 72104562c86481311857359882669527359a7f6c..d2f87427244b2ccd00f754048e46d4882f77363d 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -5,6 +5,7 @@
 
 #include <linux/export.h>
 #include <net/ipv6.h>
+#include <net/addrconf.h>
 
 #define IPV6_ADDR_SCOPE_TYPE(scope)	((scope) << 16)