The invention relates to a fungicidal mixture comprising prothioconazole or a salt or adduct thereof with an inorganic acid an organic acid or a metal ion; and at least one further fungicidal compound, selected from the group consisting of thiram, fenoxanil, benthivalicarb, metalaxyl, fludioxonil and prochloraz, in a synergistically effective amount and to methods for controlling harmful fungi, comprising applying the fungicidal mixture.