Save disk button position problem

Dear all,

I have a problem in CRM with 2 custom entities and they have forms very similar.

The problem is the position of the save button on the bottom of the screen. 

In one form of an entity, the save disk button is on the bottom and on the right position (normal), but in the another form of the second entity is always in the middle and I can't move to the right.

Do you know how to change this to have the button in the same position in both forms (bottom-right)?

Thanks a lot for your answers!

Carlos.