Phosphate-free automatic dishwashing agents are disclosed that comprise (a) builder; (b) bleaching agent; (c) hydrophobically modified copolymer comprising at least one of mono- and polyunsaturated sulfonic acid monomers; (d) non-hydrophobically modified copolymer comprising at least one of mono- and polyunsaturated sulfonic acids; and (e) nonionic surfactant. The agents in accordance with the present invention are distinguished by excellent film deposition inhibition along with good washing and rinsing performance.