Disclosed is a composition comprising a) a first salt, which contains a first anionic pesticide (A1) and a cationic polyamine (B), and b) a second salt, which contains a second anionic pesticide (A2) and a cationic polyamine (B) wherein both salts contain the same cationic polyamine (B), and wherein the cationic polyamine comprises at least two amino groups, and wherein the cationic polyamine (B) is a compound of the formula (B1) or of formula B2. B2 is free of ether groups. The first and the second anionic pesticide are preferably selected from dicamba, quinclorac, glyphosate, 2,4-D ((2,4-dichlorophenoxy)acetic acid), aminopyralid and MCPP (Mecoprop or methylchlorophenoxypropionic acid).