diff --git a/lib/soap/request/params.ex b/lib/soap/request/params.ex
index c4a97d3..5cd72a7 100644
--- a/lib/soap/request/params.ex
+++ b/lib/soap/request/params.ex
@@ -123,6 +123,7 @@ defmodule Soap.Request.Params do
       validated_params ->
         body =
           validated_params
+          |> Enum.sort()
           |> add_action_tag_wrapper(wsdl, operation)
           |> add_body_tag_wrapper