diff --git a/Jenkins/jenkins-grab-se.ps1 b/Jenkins/jenkins-grab-se.ps1
index bdec89b..0e3f998 100644
--- a/Jenkins/jenkins-grab-se.ps1
+++ b/Jenkins/jenkins-grab-se.ps1
@@ -1,5 +1,9 @@
 pushd
 
+param(
+    [Parameter(Mandatory=$true)][string]$previewPass
+)
+
 $steamData = "C:/Steam/Data-preview/"
 $steamCMDPath = "C:/Steam/steamcmd/"
 $steamCMDZip = "C:/Steam/steamcmd.zip"
@@ -16,9 +20,6 @@ if (!(Test-Path $steamCMDPath)) {
 	[System.IO.Compression.ZipFile]::ExtractToDirectory($steamCMDZip, $steamCMDPath)
 }
 
-echo test
-echo $previewPass
-
 cd "$steamData"
 & "$steamCMDPath/steamcmd.exe" "+login anonymous" "+force_install_dir $steamData" "+app_update 298740 -beta steamctg -betapassword $previewPass validate" "+quit"
 
diff --git a/Jenkinsfile b/Jenkinsfile
index 7ad065e..767d47e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,7 +20,9 @@ node {
 	}
 
 	stage('Acquire SE') {
-		bat 'powershell -File Jenkins/jenkins-grab-se.ps1'
+	withCredentials([string(credentialsId: 'previewSecretPass', variable: 'previewPass')]) {
+		bat 'powershell -File Jenkins/jenkins-grab-se.ps1 $previewPass'
+		}
 		bat 'IF EXIST GameBinaries RMDIR GameBinaries'
 		bat 'mklink /J GameBinaries "C:/Steam/Data-preview/DedicatedServer64/"'		
 	}