diff --git a/module/PowerShellEditorServices/Start-EditorServices.ps1 b/module/PowerShellEditorServices/Start-EditorServices.ps1
index 5618759e9..a3a448593 100644
--- a/module/PowerShellEditorServices/Start-EditorServices.ps1
+++ b/module/PowerShellEditorServices/Start-EditorServices.ps1
@@ -46,7 +46,7 @@ param(
     [ValidateNotNullOrEmpty()]
     $LogPath,
 
-    [ValidateSet("Diagnostic", "Normal", "Verbose", "Error")]
+    [ValidateSet("Diagnostic", "Verbose", "Normal", "Warning", "Error")]
     $LogLevel,
 
 	[Parameter(Mandatory=$true)]