diff --git a/include/spdk/iscsi_spec.h b/include/spdk/iscsi_spec.h
index c81a81241..06e567865 100644
--- a/include/spdk/iscsi_spec.h
+++ b/include/spdk/iscsi_spec.h
@@ -203,7 +203,8 @@ struct iscsi_bhs_logout_req {
 	uint8_t opcode		: 6;	/* opcode = 0x06 */
 	uint8_t immediate	: 1;
 	uint8_t reserved	: 1;
-	uint8_t reason;
+	uint8_t reason		: 7;
+	uint8_t reason_1	: 1;
 	uint8_t res[2];
 	uint8_t total_ahs_len;
 	uint8_t data_segment_len[3];
@@ -482,9 +483,6 @@ struct iscsi_bhs_text_resp {
 /* text flags */
 #define ISCSI_TEXT_CONTINUE			0x40
 
-/* logout flags */
-#define ISCSI_LOGOUT_REASON_MASK		0x7f
-
 /* datain flags */
 #define ISCSI_DATAIN_ACKNOLWEDGE		0x40
 #define ISCSI_DATAIN_OVERFLOW			0x04
diff --git a/lib/iscsi/iscsi.c b/lib/iscsi/iscsi.c
index 77a493dee..0b2c56f00 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -2439,15 +2439,9 @@ spdk_iscsi_op_logout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 	struct iscsi_bhs_logout_req *reqh;
 	struct iscsi_bhs_logout_resp *rsph;
 	uint16_t cid;
-#ifdef DEBUG
-	int reason;
-#endif
 
 	reqh = (struct iscsi_bhs_logout_req *)&pdu->bhs;
 
-#ifdef DEBUG
-	reason = reqh->reason & ISCSI_LOGOUT_REASON_MASK;
-#endif
 	cid = from_be16(&reqh->cid);
 	task_tag = from_be32(&reqh->itt);
 	CmdSN = from_be32(&reqh->cmd_sn);
@@ -2455,7 +2449,7 @@ spdk_iscsi_op_logout(struct spdk_iscsi_conn *conn, struct spdk_iscsi_pdu *pdu)
 	ExpStatSN = from_be32(&reqh->exp_stat_sn);
 
 	SPDK_DEBUGLOG(SPDK_TRACE_ISCSI, "reason=%d, ITT=%x, cid=%d\n",
-		      reason, task_tag, cid);
+		      reqh->reason, task_tag, cid);
 
 	if (reqh->reason != 0 && conn->sess->session_type == SESSION_TYPE_DISCOVERY) {
 		SPDK_ERRLOG("only logout with close the session reason can be in discovery session");