diff --git a/Winget-AutoUpdate-Install.ps1 b/Winget-AutoUpdate-Install.ps1
index 8d39796..50cacd8 100644
--- a/Winget-AutoUpdate-Install.ps1
+++ b/Winget-AutoUpdate-Install.ps1
@@ -44,7 +44,7 @@ param(
     [Parameter(Mandatory=$False)] [Switch] $DisableWAUAutoUpdate = $false,
     [Parameter(Mandatory=$False)] [Switch] $Uninstall = $false,
     [Parameter(Mandatory=$False)] [Switch] $UseWhiteList = $false,
-    [Parameter(Mandatory=$False)] [ValidateSet("Full","SuccessOnly","None")] [Switch] $NotificationLevel = "Full"
+    [Parameter(Mandatory=$False)] [ValidateSet("Full","SuccessOnly","None")] [String] $NotificationLevel = "Full"
 )