Arkanoid strange issue

I recently got an original Arkanoid disk for my STE. Disk loads fine but once I get to the game, I can press 1 to start a one player game but moving the mouse will not move the "spaceship".

I know for sure that the mouse is working fine. Even more weird is the fact that I also got this same game as a image in my ultrasatan and when I load it from there the mouse works fine.

Any ideas?