Hi Thomas, Have you compiled your FSL installation from source, or installed it via NeuroDebian. This problem is due to a change in the behaviour of the 'floatfield' parameter from C++07 to C++11 - if the standard FSL code base is compiled with C++11, then you will get this behaviour. Cheers, Paul On 10 May 2015 at 17:29, Thomas Alderson <[log in to unmask]> wrote: > Thanks for the reply. I took a look like you suggested but everything > looks ok. FSL is a clean install. >