diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 2effa1c33fb2..f189ce7541ff 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -97,7 +97,7 @@ static ssize_t
 show_transport_handle(struct class_device *cdev, char *buf)
 {
 	struct iscsi_internal *priv = cdev_to_iscsi_internal(cdev);
-	return sprintf(buf, "%llu", iscsi_handle(priv->iscsi_transport));
+	return sprintf(buf, "%llu", (unsigned long long)iscsi_handle(priv->iscsi_transport));
 }
 static CLASS_DEVICE_ATTR(handle, S_IRUGO, show_transport_handle, NULL);