diff --git a/openbsc/src/libmgcp/mgcp_network.c b/openbsc/src/libmgcp/mgcp_network.c
index 9def94e..37fc59a 100644
--- a/openbsc/src/libmgcp/mgcp_network.c
+++ b/openbsc/src/libmgcp/mgcp_network.c
@@ -415,6 +415,8 @@
 	ssrc = ntohl(rtp_hdr->ssrc);
 	transit = arrival_time - timestamp;
 
+	mgcp_rtp_annex_count(endp, state, seq, transit, ssrc);
+
 	if (!state->initialized) {
 		state->initialized = 1;
 		state->in_stream.last_seq = seq - 1;
@@ -520,8 +522,6 @@
 				    addr, seq, timestamp, "output",
 				    &state->out_stream.last_tsdelta);
 
-	mgcp_rtp_annex_count(endp, state, seq, transit, ssrc);
-
 	/* Save output values */
 	state->out_stream.last_seq = seq;
 	state->out_stream.last_timestamp = timestamp;