BUG: fixed issue #44
BUG: fixed issue #44

Former-commit-id: 5159b2de4a021bb1ebfd6780ee4011e4ac60e0e0
Former-commit-id: 7fc7fee3e0516105ff34a9b60665269e055bae8d
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox