diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 4e31721e7293..bced11032681 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -71,7 +71,7 @@
 
 struct listeners {
 	struct rcu_head		rcu;
-	unsigned long		masks[0];
+	unsigned long		masks[];
 };
 
 /* state bits */