fix invalid uuid bug
fix invalid uuid bug

lamassu/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,naconner/lamassu-server,lamassu/lamassu-server,lamassu/lamassu-server,naconner/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server,joshmh/lamassu-server