diff --git a/lib/savon/builder.rb b/lib/savon/builder.rb
index fea303e5..adc045f1 100644
--- a/lib/savon/builder.rb
+++ b/lib/savon/builder.rb
@@ -93,6 +93,8 @@ def header
     def namespaced_message_tag
       if @used_namespaces[[@operation_name.to_s]]
         [@used_namespaces[[@operation_name.to_s]], message_tag, message_attributes]
+      elsif namespace_identifier.eql?(:none)
+        [message_tag, message_attributes]
       else
         [namespace_identifier, message_tag, message_attributes]
       end