shadowgrounds - Main menu issue with Intel GPU

[montaropdf]

At the main menu, le top menu bar is partially obscured by the main title.

System information:
Laptop Asus K73SJ
CPU: Intel core i7
RAM: 8 Go
OS: Fedora 21 64 bits

lspci result for VGA component:

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119M [GeForce GT 520M] (rev ff)

This problem arise when using the Intel GPU, when starting the game this way (to use the NVidia GPU), The menu is displayed correctly though:
primusrun ./shadowgrounds -d /home/roland/games/shadowgrounds/