Try this with the 1.0.9 binary: borg init ssh://hostname/repopath I suspect this is the sloppy location parsing regex in 1.0.9 which was fixed in 1.0.10rc1 (and not pyinstaller). -- GPG ID: 9F88FB52FAF7B393 GPG FP: 6D5B EF9A DD20 7580 5747 B70F 9F88 FB52 FAF7 B393