diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 4b59e4519e0c1..ba300b540a09c 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3692,6 +3692,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
 			return -EINVAL;
 		rc = smack_netlabel_send(sock->sk, sip);
 		break;
+#if IS_ENABLED(CONFIG_IPV6)
 	case AF_INET6:
 		if (msg->msg_namelen < SIN6_LEN_RFC2133 ||
 		    sap->sin6_family != AF_INET6)
@@ -3705,6 +3706,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
 #ifdef SMACK_IPV6_PORT_LABELING
 		rc = smk_ipv6_port_check(sock->sk, sap, SMK_SENDING);
 #endif
+#endif /* IS_ENABLED(CONFIG_IPV6) */
 		break;
 	}
 	return rc;