diff --git a/library/RSL_Types.ttcn b/library/RSL_Types.ttcn
index 3b1a31116..39ba3d319 100644
--- a/library/RSL_Types.ttcn
+++ b/library/RSL_Types.ttcn
@@ -688,6 +688,7 @@ module RSL_Types {
 		RSL_IE_MS_Power		ms_power,
 		uint8_t			timing_adv,
 		RSL_IE_MultirateCtrl	multirate_ctrl,
+		uint8_t			msg_id,
 		RSL_IE_FrameNumber	frame_nr,
 		RSL_IE_Cause		cause,
 		uint8_t			access_delay,
@@ -738,6 +739,7 @@ module RSL_Types {
 					ms_power, iei = RSL_IE_MS_POWER;
 					timing_adv, iei = RSL_IE_TIMING_ADVANCE;
 					multirate_ctrl, iei = RSL_IE_MR_CONTROL;
+					msg_id, iei = RSL_IE_MSG_ID;
 
 					frame_nr, iei = RSL_IE_FRAME_NUMBER;
 					cause, iei = RSL_IE_CAUSE;