diff --git a/openbsc/src/libmgcp/mgcp_network.c b/openbsc/src/libmgcp/mgcp_network.c
index eb8b736..a2cfc23 100644
--- a/openbsc/src/libmgcp/mgcp_network.c
+++ b/openbsc/src/libmgcp/mgcp_network.c
@@ -196,7 +196,7 @@
 	if (udelta < RTP_MAX_DROPOUT) {
 		if (seq < state->max_seq)
 			state->cycles += RTP_SEQ_MOD;
-	} else if (udelta <= RTP_SEQ_MOD + RTP_MAX_MISORDER) {
+	} else if (udelta <= RTP_SEQ_MOD - RTP_MAX_MISORDER) {
 		LOGP(DMGCP, LOGL_NOTICE,
 			"RTP seqno made a very large jump on 0x%x delta: %u\n",
 			ENDPOINT_NUMBER(endp), udelta);