diff --git a/windows/win_acl.ps1 b/windows/win_acl.ps1
index fb12ae6cee3..6e497c417be 100644
--- a/windows/win_acl.ps1
+++ b/windows/win_acl.ps1
@@ -42,7 +42,7 @@ Function UserSearch
         }
  
     }
-    Elseif ($AccountName -contains "@")
+    Elseif ($AccountName.contains("@"))
     {
         $IsDomainAccount = $true
         $IsUpn = $true