Problem with Scripting

[Tlaloc1]

So, I'm trying to make an intro level similar to Under Construction from 0.3.0. However, the script that makes Tux automatically run forward doesn't work, unless the "UP" button is pressed.
Here's the script from Under Construction:
Tux.use_scripting_controller(true);
Tux.make_invincible();
Tux.do_scripting_controller("right", true):
If anyone can help, thanks.

[brmbrmcar]

Disable the isButton on the script (right click and untick isbutton or whatever it is called (it will be a similar name)).