Apologies everyone. Please try upgrading to 1.3.18 to resolve the issue. It has been added to the repo. Download links are below:
Insync
Debian Stretch: 64 bit, 32 bit
Ubuntu 17.04: 64 bit, 32 bit
Headless
Debian Stretch: 64 bit, 32 bit
Ubuntu 17.04: 64 bit, 32 bit