diff --git a/scripts/Windows/OS/Setup.ps1 b/scripts/Windows/OS/Setup.ps1
index 17480900e..a268abd10 100644
--- a/scripts/Windows/OS/Setup.ps1
+++ b/scripts/Windows/OS/Setup.ps1
@@ -4,7 +4,14 @@ $null = $env:SETUP_SCRIPT_NAME;
 # Find `winiso` installation medium
 $drives = & wmic volume get "DriveLetter,Label";
 $drive = $($($drives | Select-String -Pattern "winiso") -split "\s+")[0];
-[xml]$unattendedConfig = $(Get-Content "$drive\Autounattend.template.xml");
+[xml]$unattendedConfig = [xml]::new();
+$unattendedConfig.PreserveWhitespace = $true;
+
+$readerSettings = [System.Xml.XmlReaderSettings]::new();
+$readerSettings.IgnoreComments = $true;
+$reader = [System.Xml.XmlReader]::Create("$drive\Autounattend.template.xml", $readerSettings);
+
+$unattendedConfig.Load($reader);
 $namespace = New-Object -TypeName "Xml.XmlNamespaceManager" -ArgumentList $unattendedConfig.NameTable;
 $namespace.AddNamespace("ua", $unattendedConfig.DocumentElement.NamespaceURI);