diff --git a/com/ponywolf/vjoy.lua b/com/ponywolf/vjoy.lua
index 01f71a6..f72dfa9 100644
--- a/com/ponywolf/vjoy.lua
+++ b/com/ponywolf/vjoy.lua
@@ -7,7 +7,7 @@
 local M = {}
 local stage = display.getCurrentStage()
 
-function M.newButton(radius, key)
+function M.newButton(key, radius)
 
   local instance
   radius = radius or 64