diff --git a/disk_check.ps1 b/disk_check.ps1
index 46e69e3..6497200 100644
--- a/disk_check.ps1
+++ b/disk_check.ps1
@@ -28,10 +28,10 @@ foreach ($i in $volumes.DriveLetter) {
 	if ($i.DriveLetter -eq "") {
 		Write-Output ""
 	} else {
-		$result=Repair-Volume -FileSystemLabel $i.DriveLetter -Scan
+		$result=Repair-Volume -DriveLetter $i.DriveLetter -Scan
 
 		if ($result.value -gt 0) {
-			Repair-Volume -FileSystemLabel $i.DriveLetter -Scan -OfflineScanAndFix
+			Repair-Volume -DriveLetter $i.DriveLetter -Scan -OfflineScanAndFix
 			$requireReboot = $true
 		} else {
 			Write-Output "$($i.FileSystemLabel): Drive is OK!"