diff --git a/vra/resource_machine.go b/vra/resource_machine.go
index 0372470..8327aa0 100644
--- a/vra/resource_machine.go
+++ b/vra/resource_machine.go
@@ -516,8 +516,8 @@ func attachAndDetachDisks(ctx context.Context, d *schema.ResourceData, apiClient
 				Name:          diskToAttach["name"].(string),
 			}
 
-			if v_scsi_controller, ok_scsi_controller := diskToAttach["scsi_controller"].(string); ok_scsi_controller && v_scsi_controller != "" {
-				if v_unit_number, ok_unit_number := diskToAttach["unit_number"].(string); ok_unit_number && v_unit_number != "" {
+			if vScsiController, okScsiController := diskToAttach["scsi_controller"].(string); okScsiController && vScsiController != "" {
+				if vUnitNumber, okUnitNumber := diskToAttach["unit_number"].(string); okUnitNumber && vUnitNumber != "" {
 					diskAttachmentSpecification.DiskAttachmentProperties = map[string]string{"scsiController": diskToAttach["scsi_controller"].(string), "unitNumber": diskToAttach["unit_number"].(string)}
 				}
 			}
@@ -655,8 +655,8 @@ func expandDisks(configDisks []interface{}) []*models.DiskAttachmentSpecificatio
 			BlockDeviceID: withString(diskMap["block_device_id"].(string)),
 		}
 
-		if v_scsi_controller, ok_scsi_controller := diskMap["scsi_controller"].(string); ok_scsi_controller && v_scsi_controller != "" {
-			if v_unit_number, ok_unit_number := diskMap["unit_number"].(string); ok_unit_number && v_unit_number != "" {
+		if vScsiController, okScsiController := diskMap["scsi_controller"].(string); okScsiController && vScsiController != "" {
+			if vUnitNumber, okUnitNumber := diskMap["unit_number"].(string); okUnitNumber && vUnitNumber != "" {
 				disk.DiskAttachmentProperties = map[string]string{"scsiController": diskMap["scsi_controller"].(string), "unitNumber": diskMap["unit_number"].(string)}
 			}
 		}