diff --git a/src/gsm/rsl.c b/src/gsm/rsl.c
index 0af366f..3668cea 100644
--- a/src/gsm/rsl.c
+++ b/src/gsm/rsl.c
@@ -125,6 +125,7 @@
 		[RSL_IE_OSMO_REP_ACCH_CAP]	= { TLV_TYPE_TLV },
 		[RSL_IE_OSMO_TRAINING_SEQUENCE]	= { TLV_TYPE_TLV },
 		[RSL_IE_OSMO_TEMP_OVP_ACCH_CAP]	= { TLV_TYPE_TLV },
+		[RSL_IE_OSMO_OSMUX_CID]		= { TLV_TYPE_TLV },
 		[RSL_IE_IPAC_SRTP_CONFIG]	= { TLV_TYPE_TLV },
 		[RSL_IE_IPAC_PROXY_UDP]		= { TLV_TYPE_FIXED, 2 },
 		[RSL_IE_IPAC_BSCMPL_TOUT]	= { TLV_TYPE_TV },