diff --git a/abduco.c b/abduco.c
index d129e05..87e1743 100644
--- a/abduco.c
+++ b/abduco.c
@@ -182,8 +182,10 @@ static bool recv_packet(int socket, Packet *pkt) {
 	ssize_t len = read_all(socket, (char*)pkt, packet_header_size());
 	if (len <= 0 || len != packet_header_size())
 		return false;
-	if (pkt->len > sizeof(pkt->u.msg))
+	if (pkt->len > sizeof(pkt->u.msg)) {
+		pkt->len = 0;
 		return false;
+	}
 	if (pkt->len > 0) {
 		len = read_all(socket, pkt->u.msg, pkt->len);
 		if (len <= 0 || len != pkt->len)