Unity GUI 4.6 stops animation

Basically, I have set up a small panel with 4 buttons. It is an in-game menu to let the player quit the game, and do other basic tasks. So I followed the Unity UI tutorials that were released, and animated my buttons over a keyframe. When the mouse is hovered over the buttons the buttons grow slightly.

This all works great^^

The problem is when I have my character moving. The animation stops working. When the mouse is hovered over the buttons, nothing happens. To get the animation to work again I have to click once on the screen. Any suggestions?

Edit: Also I am locking/unlocking showing/hiding the cursor which worked perfectly in legacy, so I am assuming it might not be related.