diff --git a/ssl/d1_pkt.c b/ssl/d1_pkt.c
index b76703a5e0..2851add08a 100644
--- a/ssl/d1_pkt.c
+++ b/ssl/d1_pkt.c
@@ -679,7 +679,8 @@ again:
 		 * would be dropped unnecessarily.
 		 */
 		if (!(s->d1->listen && rr->type == SSL3_RT_HANDSHAKE &&
-		    *p == SSL3_MT_CLIENT_HELLO) &&
+		    s->packet_length > DTLS1_RT_HEADER_LENGTH &&
+		    s->packet[DTLS1_RT_HEADER_LENGTH] == SSL3_MT_CLIENT_HELLO) &&
 		    !dtls1_record_replay_check(s, bitmap))
 			{
 			rr->length = 0;