Abstract: A herbicide formulation comprising a1) at least one herbicidal active substance from the class of the ACC inhibitors; a2) optionally at least one safener; a3) optionally at least one further herbicidal active substance other than (a1) and (a2); b) one or more solvents of formula (I), R—CO—NR1R2??(I) where R is a C3-C18-hydrocarbon radical, R1, R2 are identical or different and are a C1-C14-hydrocarbon radical or a C1-C14-hydroxyhydrocarbon radical; c) one or more aromatic solvents; d) one or more surfactants from the group of the C8-C22-alkyl alcohols which are alkoxylated, where the terminal hydroxyl groups of these compounds are optionally capped by an alkyl, cycloalkyl or acryl radical having 1-24 carbon atoms; e) one or more emulsifiers; f) optionally one or more auxiliaries and g) optionally water is suitable in particular for controlling undesired grasses.