Provided herein is an agrochemical composition containing a solid multisite fungicide and a dispersing agent, wherein the dispersing agent has a mass average molar mass greater than 5,000 g/mol and is selected from lignin sulfonates and poly(meth)acrylates. Also provided herein is a method of preparing the agrochemical composition comprising the contacting of the solid multisite fungicide and the dispersing agent. Further, provided herein is a method of controlling phytopathogenic fungi, wherein the agrochemical composition is allowed to act on the respective fungi, their environment or the crop plants to be protected from the respective pest, on the soil and/or on undesired plants and/or on the crop plants and/or on their environment. Additionally, provided herein is a use of the dispersing agent for attenuating the phytotoxicity of multisite fungicides; and seed containing said agrochemical composition.