BUG: fixed #632
BUG: fixed #632

Former-commit-id: 9888f24ee9bfc6c3044c1fb46285aecceb4106be [formerly 22760ab6bf5926961d645e54f491ba227d2824ed]
Former-commit-id: 6694fffe599b7cca3d17dacf14a93947af369116
Former-commit-id: e1cc35ffb8f2f0fef7e64032d6ed45e9be6a0884
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox