diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 832a5e6..0e0e426 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -171,7 +171,7 @@
 		sk->sk_reuse = 1;
 
 	inet = inet_sk(sk);
-	inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) == INET_PROTOSW_ICSK;
+	inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
 
 	if (SOCK_RAW == sock->type) {
 		inet->num = protocol;