diff --git a/lights.js b/lights.js
index d889283..f5cbf1f 100644
--- a/lights.js
+++ b/lights.js
@@ -61,7 +61,7 @@ export const functions = {
     {
       requires_arg1: true,
       requires_arg2: true,
-      convert_args: false
+      convert_args: true
     }),
   modulo: new Function(
     (index, arg1, arg2) => { return arg1 % arg2; },