diff --git a/perl/NGCP/Rtpengine/AutoTest.pm b/perl/NGCP/Rtpengine/AutoTest.pm
index 17742c9b6..c135311cb 100644
--- a/perl/NGCP/Rtpengine/AutoTest.pm
+++ b/perl/NGCP/Rtpengine/AutoTest.pm
@@ -179,6 +179,13 @@ sub rcv {
 			($m) = unpack('N', $m);
 		}
 	}
+	if ($port == -1 && @matches) {
+		# this is actually wrong and uses the fake Unix domain socket address.
+		# translation should really be handled by the preloaded .so back to
+		# fake v4/v6 address.
+		$addr =~ /\]:(\d+)/s or die;
+		unshift(@matches, $1);
+	}
 	return @matches;
 }
 sub srtp_rcv {
diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 825bc6c80..c1ff51834 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -4868,7 +4868,7 @@ SDP
 $resp = rtpe_req('play media', 'media playback, offer only', { 'from-tag' => ft(), blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_a, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_a, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_a, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));
@@ -4923,7 +4923,7 @@ SDP
 $resp = rtpe_req('play media', 'media playback, side A', { 'from-tag' => ft(), blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_a, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_a, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_a, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));
@@ -4978,7 +4978,7 @@ SDP
 $resp = rtpe_req('play media', 'media playback, side B', { 'from-tag' => tt(), blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_b, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_b, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_b, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));
@@ -4989,7 +4989,7 @@ is $resp->{duration}, 100, 'media duration';
 
 $ts += 160 * 5;
 my $old_ts = $ts;
-($ts) = rcv($sock_b, -1, rtpm(8 | 0x80, $seq + 5, -1, $ssrc, $pcma_1));
+(undef, $ts) = rcv($sock_b, -1, rtpm(8 | 0x80, $seq + 5, -1, $ssrc, $pcma_1));
 print("ts $ts old $old_ts\n");
 SKIP: {
 	skip 'random timestamp too close to margin', 2 if $old_ts < 500 or $old_ts > 4294966795;
@@ -5052,7 +5052,7 @@ $resp = rtpe_req('play media', 'media playback, side A, select by label', { labe
 		blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_a, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_a, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_a, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));
@@ -5108,7 +5108,7 @@ SDP
 $resp = rtpe_req('play media', 'media playback, side B, select by label', { label => 'meh', blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_b, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_b, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_b, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));
@@ -5181,7 +5181,7 @@ my $srtp_ctx = {
 	cs => $NGCP::Rtpclient::SRTP::crypto_suites{AES_CM_128_HMAC_SHA1_80},
 	key => 'DVM+BTeYX2UI1LaA9bgXrcBEDBxoItA9/39fSoRF',
 };
-($seq, $ts, $ssrc) = srtp_rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1), $srtp_ctx);
+(undef, $seq, $ts, $ssrc) = srtp_rcv($sock_a, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1), $srtp_ctx);
 srtp_rcv($sock_a, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2), $srtp_ctx);
 srtp_rcv($sock_a, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3), $srtp_ctx);
 srtp_rcv($sock_a, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4), $srtp_ctx);
@@ -7129,7 +7129,7 @@ $resp = rtpe_req('play media', 'media playback after delete', { 'from-tag' => tt
 		blob => $wav_file });
 is $resp->{duration}, 100, 'media duration';
 
-($seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
+(undef, $seq, $ts, $ssrc) = rcv($sock_b, -1, rtpm(8 | 0x80, -1, -1, -1, $pcma_1));
 rcv($sock_b, -1, rtpm(8, $seq + 1, $ts + 160 * 1, $ssrc, $pcma_2));
 rcv($sock_b, -1, rtpm(8, $seq + 2, $ts + 160 * 2, $ssrc, $pcma_3));
 rcv($sock_b, -1, rtpm(8, $seq + 3, $ts + 160 * 3, $ssrc, $pcma_4));