Hi, could you try using "heads/Beta" instead of "refs/heads/Beta" ?
- Bug#992976: uscan: mode=git refs/heads/<branch> instruc... Romain Porte
- Bug#992976: uscan: mode=git refs/heads/<branch> in... Yadd
- Bug#992976: uscan: mode=git refs/heads/<branch> in... Romain Porte