diff --git a/expose_forwards.ps1 b/expose_forwards.ps1
index 7086c3b..b35e1c2 100644
--- a/expose_forwards.ps1
+++ b/expose_forwards.ps1
@@ -73,7 +73,7 @@ function Add-IptablesRule {
     $argument_list = @(
         '-t'
         $Table
-        '-A'
+        '-I'
         $Chain
     )+$Rule