diff --git a/scripts/Windows/Scripts/Hooks.ps1 b/scripts/Windows/Scripts/Hooks.ps1
index 78843f83..fb2e2b5d 100644
--- a/scripts/Windows/Scripts/Hooks.ps1
+++ b/scripts/Windows/Scripts/Hooks.ps1
@@ -1,11 +1,11 @@
 function Invoke-Hook() {
     param(
         [string] $Name,
-        [System.Action] $Fallback
+        [scriptblock] $Fallback
     )
 
     if ($Fallback) {
-        $scriptBlock = { $Fallback.Invoke(); };
+        $scriptBlock = $Fallback;
     } else {
         $scriptBlock = { };
     }