diff --git a/pkgs/luaUtils.nix b/pkgs/luaUtils.nix
index 304e2f8..490d5c9 100644
--- a/pkgs/luaUtils.nix
+++ b/pkgs/luaUtils.nix
@@ -58,7 +58,7 @@ let
     numberToLua =
       number:
       assert ((builtins.isInt number) || (builtins.isFloat number));
-      toString number;
+      builtins.toJSON number;
 
     /**
       Converts a nix list into a Lua Table.