diff --git a/FFUDevelopment/BuildFFUVM.ps1 b/FFUDevelopment/BuildFFUVM.ps1
index fab50ad..f0703b0 100644
--- a/FFUDevelopment/BuildFFUVM.ps1
+++ b/FFUDevelopment/BuildFFUVM.ps1
@@ -198,11 +198,7 @@ param(
     [Parameter(Mandatory = $false, Position = 0)]
     [ValidateScript({ Test-Path $_ })]
     [string]$ISOPath,
-    [ValidateScript({
-            $allowedSKUs = @('Home', 'Home N', 'Home Single Language', 'Education', 'Education N', 'Pro', 'Pro N', 'Pro Education', 'Pro Education N', 'Pro for Workstations', 'Pro N for Workstations', 'Enterprise', 'Enterprise N')
-            if ($allowedSKUs -contains $_) { $true } else { throw "Invalid WindowsSKU value. Allowed values: $($allowedSKUs -join ', ')" }
-            return $true
-        })]
+    [ValidateSet('Home', 'Home N', 'Home Single Language', 'Education', 'Education N', 'Pro', 'Pro N', 'Pro Education', 'Pro Education N', 'Pro for Workstations', 'Pro N for Workstations', 'Enterprise', 'Enterprise N')]
     [string]$WindowsSKU = 'Pro',
     [ValidateScript({ Test-Path $_ })]
     [string]$FFUDevelopmentPath = $PSScriptRoot,