diff -up ntp-4.2.6p5/ntpd/ntp_proto.c.kodtest ntp-4.2.6p5/ntpd/ntp_proto.c
--- ntp-4.2.6p5/ntpd/ntp_proto.c.kodtest	2015-09-24 18:20:19.121981664 +0200
+++ ntp-4.2.6p5/ntpd/ntp_proto.c	2015-09-24 18:20:54.596594166 +0200
@@ -1165,7 +1165,7 @@ receive(
 	peer->ppoll = max(peer->minpoll, pkt->ppoll);
 	if (hismode == MODE_SERVER && hisleap == LEAP_NOTINSYNC &&
 	    hisstratum == STRATUM_UNSPEC && memcmp(&pkt->refid,
-	    "RATE", 4) == 0) {
+	    "RATE", 4) == 0 && !(peer->flash & PKT_TEST_MASK)) {
 		peer->selbroken++;
 		report_event(PEVNT_RATE, peer, NULL);
 		if (pkt->ppoll > peer->minpoll)