diff --git a/lib/socket.c b/lib/socket.c
index 3dd769aeb..e1c9a707c 100644
--- a/lib/socket.c
+++ b/lib/socket.c
@@ -359,8 +359,8 @@ static ssize_t __ip_sendmsg(socket_t *s, struct msghdr *mh, const endpoint_t *ep
 static ssize_t __ip_sendto(socket_t *s, const void *buf, size_t len, const endpoint_t *ep) {
 	struct sockaddr_storage sin;
 
-	s->family->endpoint2sockaddr(&sin, ep);
-	return sendto(s->fd, buf, len, 0, (void *) &sin, s->family->sockaddr_size);
+	ep->address.family->endpoint2sockaddr(&sin, ep);
+	return sendto(s->fd, buf, len, 0, (void *) &sin, ep->address.family->sockaddr_size);
 }
 static int __ip4_tos(socket_t *s, unsigned int tos) {
 	unsigned char ctos;