TAdvToolBar paint problem

Hi

 
After upgrading from 7.0.4 to 7.1.4 this is what happened to our Office 2010 style applications:
 

 
What we should do to make it paint normally?

We're using Delphi 7

It must be Delphi 7 specific as we can't reproduce it with newer Delphi versions. We'll investigate it.