diff --git a/openair-cn/COMMON/s1ap_messages_def.h b/openair-cn/COMMON/s1ap_messages_def.h
index 8a794f22b01949e9542fc6c34bb41290a1210711..e228f1f0a04400bc528f0ec059f1c0eb19d793f5 100644
--- a/openair-cn/COMMON/s1ap_messages_def.h
+++ b/openair-cn/COMMON/s1ap_messages_def.h
@@ -37,10 +37,11 @@ MESSAGE_DEF(S1AP_DOWNLINK_NAS_LOG          , MESSAGE_PRIORITY_MED, IttiMsgText
 MESSAGE_DEF(S1AP_S1_SETUP_LOG              , MESSAGE_PRIORITY_MED, IttiMsgText                      , s1ap_s1_setup_log)
 MESSAGE_DEF(S1AP_INITIAL_UE_MESSAGE_LOG    , MESSAGE_PRIORITY_MED, IttiMsgText                      , s1ap_initial_ue_message_log)
 MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_REQ_LOG, MESSAGE_PRIORITY_MED, IttiMsgText                      , s1ap_ue_context_release_req_log)
-//MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND_LOG, MESSAGE_PRIORITY_MED, IttiMsgText                      , s1ap_ue_context_release_command_log)
+MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND_LOG, MESSAGE_PRIORITY_MED, IttiMsgText                  , s1ap_ue_context_release_command_log)
 MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_LOG    , MESSAGE_PRIORITY_MED, IttiMsgText                      , s1ap_ue_context_release_log)
 
 MESSAGE_DEF(S1AP_UE_CAPABILITIES_IND       , MESSAGE_PRIORITY_MED, s1ap_ue_cap_ind_t                , s1ap_ue_cap_ind)
 MESSAGE_DEF(S1AP_ENB_DEREGISTERED_IND      , MESSAGE_PRIORITY_MED, s1ap_eNB_deregistered_ind_t      , s1ap_eNB_deregistered_ind)
 MESSAGE_DEF(S1AP_DEREGISTER_UE_REQ         , MESSAGE_PRIORITY_MED, s1ap_deregister_ue_req_t         , s1ap_deregister_ue_req)
 MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_REQ    , MESSAGE_PRIORITY_MED, s1ap_ue_context_release_req_t    , s1ap_ue_context_release_req)
+MESSAGE_DEF(S1AP_UE_CONTEXT_RELEASE_COMMAND, MESSAGE_PRIORITY_MED, s1ap_ue_context_release_command_t, s1ap_ue_context_release_command)
diff --git a/openair-cn/COMMON/s1ap_messages_types.h b/openair-cn/COMMON/s1ap_messages_types.h
index c6f867865b9cb73ee7d1df6b08dddbefe5057439..c712277ba53bb6eb9e06d73226895a12bcd96b2d 100644
--- a/openair-cn/COMMON/s1ap_messages_types.h
+++ b/openair-cn/COMMON/s1ap_messages_types.h
@@ -32,6 +32,7 @@
 #define S1AP_ENB_DEREGISTERED_IND(mSGpTR)   (mSGpTR)->ittiMsg.s1ap_eNB_deregistered_ind
 #define S1AP_DEREGISTER_UE_REQ(mSGpTR)      (mSGpTR)->ittiMsg.s1ap_deregister_ue_req
 #define S1AP_UE_CONTEXT_RELEASE_REQ(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_context_release_req
+#define S1AP_UE_CONTEXT_RELEASE_COMMAND(mSGpTR) (mSGpTR)->ittiMsg.s1ap_ue_context_release_command
 
 typedef struct s1ap_initial_ue_message_s {
   unsigned     eNB_ue_s1ap_id:24;
@@ -85,4 +86,8 @@ typedef struct s1ap_ue_context_release_req_s {
   uint32_t mme_ue_s1ap_id;
 } s1ap_ue_context_release_req_t;
 
+typedef struct s1ap_ue_context_release_command_s {
+  uint32_t mme_ue_s1ap_id;
+} s1ap_ue_context_release_command_t;
+
 #endif /* S1AP_MESSAGES_TYPES_H_ */