diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 1319a6bb..06ed637 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -57,6 +57,7 @@
 		bool initialized;
 		struct in6_addr secret;
 	} stable_secret;
+	__s32		use_oif_addrs_only;
 	void		*sysctl;
 };