BUG: fixed #613
BUG: fixed #613

Former-commit-id: 6c713cea473d28c19b723cf658692cd04b95343d [formerly 9b23ced8e358576070889cda5e524b3f5d4dfe4e]
Former-commit-id: 290bfb17452daa64fb683e1b858222e4f5d307df
Former-commit-id: e47cb8ad110c8864e3fcb90259b1ad8fcaf7f3c7
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox