diff --git a/include/openbsc/mgcp_internal.h b/include/openbsc/mgcp_internal.h
index b58eb9b..b2c2408 100644
--- a/include/openbsc/mgcp_internal.h
+++ b/include/openbsc/mgcp_internal.h
@@ -64,6 +64,7 @@
 	uint32_t stats_jitter;
 	int32_t stats_transit;
 	int stats_cycles;
+	bool patched_first_rtp_payload; /* FIXME: drop this, see OS#2459 */
 };
 
 struct mgcp_rtp_codec {