diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
index 53326dfc59ecb70013a84328197629acb2205e40..ac56605fe9bcaca5d44a540dc044f679fd063957 100644
--- a/include/uapi/linux/ipv6.h
+++ b/include/uapi/linux/ipv6.h
@@ -81,7 +81,7 @@ struct ipv6_opt_hdr {
 struct rt0_hdr {
 	struct ipv6_rt_hdr	rt_hdr;
 	__u32			reserved;
-	struct in6_addr		addr[0];
+	struct in6_addr		addr[];
 
 #define rt0_type		rt_hdr.type
 };