diff --git a/winmake.ps1 b/winmake.ps1
index efb0170a2c..f541a86c0f 100644
--- a/winmake.ps1
+++ b/winmake.ps1
@@ -279,7 +279,7 @@ switch ($target) {
         if ($args.Count -gt 1) {
             $ref = $args[1]
         }
-        Win-SSHProxy -Ref $ref
+        Win-SSHProxy($ref)
     }
     'installer' {
         if ($args.Count -gt 1) {