diff --git a/include/spdk/scsi.h b/include/spdk/scsi.h
index b37f49878..a9ef38a7a 100644
--- a/include/spdk/scsi.h
+++ b/include/spdk/scsi.h
@@ -110,7 +110,6 @@ struct spdk_scsi_task {
 	uint32_t transfer_len;
 	uint32_t data_out_cnt;
 	uint32_t dxfer_dir;
-	uint32_t desired_data_transfer_length;
 	/* Only valid for Read/Write */
 	uint32_t bytes_completed;
 	uint32_t length;
diff --git a/lib/iscsi/iscsi.c b/lib/iscsi/iscsi.c
index 1c727040b..3dc179539 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -4063,7 +4063,7 @@ static int spdk_iscsi_op_data(struct spdk_iscsi_conn *conn,
 		goto reject_return;
 	}
 
-	if (pdu->data_segment_len > task->scsi.desired_data_transfer_length) {
+	if (pdu->data_segment_len > task->desired_data_transfer_length) {
 		SPDK_ERRLOG("the dataout pdu data length is larger than the value sent by R2T PDU");
 		return SPDK_ISCSI_CONNECTION_FATAL;
 	}
@@ -4181,7 +4181,7 @@ spdk_iscsi_send_r2t(struct spdk_iscsi_conn *conn,
 
 	to_be32(&rsph->buffer_offset, (uint32_t)offset);
 	to_be32(&rsph->desired_xfer_len, (uint32_t)len);
-	task->scsi.desired_data_transfer_length = (size_t)len;
+	task->desired_data_transfer_length = (size_t)len;
 
 	/* we need to hold onto this task/cmd because until the PDU has been
 	 * written out */
diff --git a/lib/iscsi/task.h b/lib/iscsi/task.h
index 77e7c2281..c53176563 100644
--- a/lib/iscsi/task.h
+++ b/lib/iscsi/task.h
@@ -44,6 +44,8 @@ struct spdk_iscsi_task {
 	struct spdk_iscsi_pdu *pdu;
 	uint32_t outstanding_r2t;
 
+	uint32_t desired_data_transfer_length;
+
 	/*
 	 * Tracks the current offset of large read io.
 	 */