diff --git a/tools/tracemcast/tracemcast.c b/tools/tracemcast/tracemcast.c
index b5ff85e31..1a64950e2 100644
--- a/tools/tracemcast/tracemcast.c
+++ b/tools/tracemcast/tracemcast.c
@@ -382,6 +382,7 @@ static libtrace_packet_t *packet_reader_thread(libtrace_t *trace UNUSED,
         rdata->encaphdr->recordcount = 0;
 
         rdata->reccount = 0;
+        rdata->seqno ++;
     }
 
     if (rem > gparams->mtu - (rdata->writeptr - rdata->pbuffer)