diff --git a/lib/iscsi/conn.c b/lib/iscsi/conn.c
index d22412f21..c36178fff 100644
--- a/lib/iscsi/conn.c
+++ b/lib/iscsi/conn.c
@@ -1070,9 +1070,6 @@ spdk_iscsi_task_cpl(struct spdk_scsi_task *scsi_task)
 	if (spdk_iscsi_task_is_read(primary)) {
 		process_read_task_completion(conn, task, primary);
 	} else {
-		if (task != primary) {
-			primary->scsi.data_transferred += task->scsi.data_transferred;
-		}
 		primary->bytes_completed += task->scsi.length;
 		if ((task != primary) &&
 		    (task->scsi.status != SPDK_SCSI_STATUS_GOOD)) {
diff --git a/lib/iscsi/iscsi.c b/lib/iscsi/iscsi.c
index 4585229c9..cd5eb0710 100644
--- a/lib/iscsi/iscsi.c
+++ b/lib/iscsi/iscsi.c
@@ -2834,6 +2834,9 @@ spdk_iscsi_transfer_in(struct spdk_iscsi_conn *conn,
 		}
 	}
 
+	if (task != primary) {
+		primary->scsi.data_transferred += task->scsi.data_transferred;
+	}
 	primary->datain_datasn = DataSN;
 
 	if (sent_status) {