The present invention relates to a liquid composition comprising a pesticide in dissolved form, a nonionic surfactant, and a propionamide of the formula I mentioned hereinbelow. The invention furthermore relates to a process for the preparation of the composition according to the invention by bringing the pesticide, the nonionic surfactant and the propionamide into contact with one another. It also relates to a use of the composition according to the invention for preparing an emulsion, and to an emulsion comprising water and the composition according to the invention.