diff --git a/scripts/ADDS/payload/Apply-OVFProperties.ps1 b/scripts/ADDS/payload/Apply-OVFProperties.ps1
index dd57a3e..dd2a343 100644
--- a/scripts/ADDS/payload/Apply-OVFProperties.ps1
+++ b/scripts/ADDS/payload/Apply-OVFProperties.ps1
@@ -6,7 +6,7 @@ Param(
 
 Function New-ToastNotification {
     Param(
-        [Parameter]
+        [Parameter()]
         [string]$Stream = 'OVF Properties',
         [Parameter(Mandatory)]
         [string]$Title,
@@ -14,6 +14,7 @@ Function New-ToastNotification {
         [string]$Text
     )
 
+    [void][Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime]
     $Template = [Windows.UI.Notifications.ToastNotificationManager]::GetTemplateContent([Windows.UI.Notifications.ToastTemplateType]::ToastText02)
 
     $XML = [xml]$Template.GetXml()