diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 7bae7c35ea6b..704dfc49f0d5 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -646,7 +646,7 @@ int mptcp_subflow_connect(struct sock *sk, struct sockaddr *local,
 	release_sock(sk);
 
 	addrlen = sizeof(struct sockaddr_in);
-#if IS_ENABLED(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_MPTCP_IPV6)
 	if (local->sa_family == AF_INET6)
 		addrlen = sizeof(struct sockaddr_in6);
 #endif