Run Unetbootin as root

edit

When I try to run unetbootin as root, using sudo unetbootin, I get an empty window and errors on my command line:

[bf@bf-laptop-tbwb ~]$ sudo unetbootin 
X Error: BadAccess (attempt to access private resource denied) 10
  Extension:    130 (MIT-SHM)
  Minor opcode: 1 (X_ShmAttach)
  Resource id:  0x15b
X Error: BadShmSeg (invalid shared segment parameter) 128
  Extension:    130 (MIT-SHM)
  Minor opcode: 5 (X_ShmCreatePixmap)
  Resource id:  0x10c
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
  Major opcode: 62 (X_CopyArea)
  Resource id:  0x1e00010
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
  Major opcode: 62 (X_CopyArea)
  Resource id:  0x1e00010

I tried using gksu-polkit, but I get the same problems. How do I run an X application as root on Fedora 22?