A salt of the compound N-{2-tert-butyl-1-[(4,4-difluorocyclohexyl)methyl]-1H-benzimidazol-5-yl}ethanesulfonamide, which is an ethanesulphonic acid salt, a sulphuric acid salt, an ethane disulphonic acid salt, a hydrochloric acid salt, a hydrobromic acid salt, a phosphoric acid salt, an acetic acid salt, a fumaric acid salt, a maleic acid salt, a tartaric acid salt, a citric acid salt, a methanesulphonic acid salt, or a p-toluenesulphonic acid salt of said compound.