diff --git a/src/quic_sock.c b/src/quic_sock.c
index 2cc5a7f03..71fe0b7f5 100644
--- a/src/quic_sock.c
+++ b/src/quic_sock.c
@@ -342,6 +342,7 @@ size_t qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t count,
 		else if (ret == 0 || errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOTCONN || errno == EINPROGRESS) {
 			/* TODO must be handle properly. It is justified for UDP ? */
 			qc->sendto_err++;
+			break;
 		}
 		else if (errno != EINTR) {
 			/* TODO must be handle properly. It is justified for UDP ? */