diff --git a/daemon/codec.c b/daemon/codec.c
index 68fd50e71..cfa1431fa 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -2422,7 +2422,10 @@ static int __handler_func_sequencer(struct media_packet *mp, struct transcode_pa
 		}
 
 		ssrc_in->packets_lost = seq->lost_count;
-		atomic_set_na(&ssrc_in->stats->ext_seq, seq->ext_seq);
+		// stats->ext_seq is the SRTP receive index (packet_index() in rtp.c and the
+		// kernel module) and is already updated for every received packet. The
+		// sequencer's position is an emission position that can legitimately move
+		// backwards, so it must not be written into the receive index.
 
 		ilogs(transcoding, LOG_DEBUG, "Processing RTP packet: seq %u, TS %lu",
 				packet->p.seq, packet->ts);
diff --git a/lib/codeclib.c b/lib/codeclib.c
index 8353b8535..231b2382b 100644
--- a/lib/codeclib.c
+++ b/lib/codeclib.c
@@ -590,7 +590,9 @@ out:;
 		ps->a_nxt = -1u;
 
 	unsigned int ext_seq = ps->roc << 16 | packet->seq;
-	while (ext_seq < ps->ext_seq) {
+	// a lower seq is a rollover only if it is far behind (forward wrap-around),
+	// not when a late or replayed packet is emitted
+	while (ext_seq < ps->ext_seq && ps->ext_seq - ext_seq >= 0x8000) {
 		ps->roc++;
 		ext_seq += 0x10000;
 	}