diff --git a/openair2/COMMON/rlc_messages_def.h b/openair2/COMMON/rlc_messages_def.h
index 6ed8cf3e71..8d63081a27 100755
--- a/openair2/COMMON/rlc_messages_def.h
+++ b/openair2/COMMON/rlc_messages_def.h
@@ -49,4 +49,6 @@ MESSAGE_DEF(RLC_AM_SDU_IND,                     MESSAGE_PRIORITY_MED_PLUS,  Itti
 
 MESSAGE_DEF(RLC_UM_DATA_PDU_IND,                MESSAGE_PRIORITY_MED_PLUS,  IttiMsgText,         rlc_um_data_pdu_ind)
 MESSAGE_DEF(RLC_UM_DATA_PDU_REQ,                MESSAGE_PRIORITY_MED_PLUS,  IttiMsgText,         rlc_um_data_pdu_req)
+MESSAGE_DEF(RLC_UM_SDU_REQ,                     MESSAGE_PRIORITY_MED_PLUS,  IttiMsgText,         rlc_um_sdu_req)
+MESSAGE_DEF(RLC_UM_SDU_IND,                     MESSAGE_PRIORITY_MED_PLUS,  IttiMsgText,         rlc_um_sdu_ind)
 #endif