title: Corrigendum.
abstract: Van Driessche, K., Ducatelle, R., Chiers, K., Van Coster, R. and van der Kolk, J. H. (2015) Ultrastructural Mitochondrial Alterations in Equine Myopathies of Unknown Origin, Veterinary Quarterly, 35(01), pp. 3-9. http://dx.doi.org/10.1080/ 01652176.2015.983681 When the above article was first published online, J. H. van der Kolk’s name was laid out in error as H. van der Kolk. This has now been corrected in both the print and online versions to J. H. van der Kolk. The authors apologise for this error.