Automatic dishwashing composition (ADW composition) comprising components at least one imidazole-based compound selected from the group consisting of unsubstituted or at least monosubstituted imidazole and benzimidazole, or a salt of such imidazole-based compounds, wherein the substituents are selected from C 1 -C 30 -alkyl, C 6 -C 14 -aryl, C 7 -C 30 -aralkyl, -NO 2, -NH 2, C 1 -C 6 -alkoxy, -COOH, halogen or -OH, and the alkyl or aryl fragments of these substituents may in turn be at least monosubstituted by -COOH, -NH 2, C 1 -C 6 -alkyl, halogen, C 1 -C 6 -alkoxy, - NO 2 or -OH, and at least one polyalkyleneimine, and further comprising a component, wherein component is at least one non-ionic surfactant according to general formula R 1 -CH -CH 2 -O- x -R 2 wherein: R 1 selected from C 4 -C 30 -alkyl, straight-chain or branched, and from C 4 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, R 2 selected from C 1 -C 30 -alkyl, straight-chain or branched, and from C 2 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, x being selected from one to 100, AO identical or different alkylene oxides, selected from CH 2 -CH 2 -O, (CH 2) 3 -O, (CH 2) 4 -O, CH 2 CH(CH 3)-O, CH(CH 3)-CH 2 -O- and CH 2 CH(n-C 3 H 7)-O. at least one imidazole-based compound selected from the group consisting of unsubstituted or at least monosubstituted imidazole and benzimidazole, or a salt of such imidazole-based compounds, wherein the substituents are selected from C 1 -C 30 -alkyl, C 6 -C 14 -aryl, C 7 -C 30 -aralkyl, -NO 2, -NH 2, C 1 -C 6 -alkoxy, -COOH, halogen or -OH, and the alkyl or aryl fragments of these substituents may in turn be at least monosubstituted by -COOH, -NH 2, C 1 -C 6 -alkyl, halogen, C 1 -C 6 -alkoxy, - NO 2 or -OH, and wherein the substituents are selected from C 1 -C 30 -alkyl, C 6 -C 14 -aryl, C 7 -C 30 -aralkyl, -NO 2, -NH 2, C 1 -C 6 -alkoxy, -COOH, halogen or -OH, and the alkyl or aryl fragments of these substituents may in turn be at least monosubstituted by -COOH, -NH 2, C 1 -C 6 -alkyl, halogen, C 1 -C 6 -alkoxy, - NO 2 or -OH, and at least one polyalkyleneimine, and further comprising a component, wherein component is at least one non-ionic surfactant according to general formula R 1 -CH -CH 2 -O- x -R 2 wherein: R 1 selected from C 4 -C 30 -alkyl, straight-chain or branched, and from C 4 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, R 2 selected from C 1 -C 30 -alkyl, straight-chain or branched, and from C 2 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, x being selected from one to 100, AO identical or different alkylene oxides, selected from CH 2 -CH 2 -O, (CH 2) 3 -O, (CH 2) 4 -O, CH 2 CH(CH 3)-O, CH(CH 3)-CH 2 -O- and CH 2 CH(n-C 3 H 7)-O. R 1 selected from C 4 -C 30 -alkyl, straight-chain or branched, and from C 4 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, R 2 selected from C 1 -C 30 -alkyl, straight-chain or branched, and from C 2 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, x being selected from one to 100, AO identical or different alkylene oxides, selected from CH 2 -CH 2 -O, (CH 2) 3 -O, (CH 2) 4 -O, CH 2 CH(CH 3)-O, CH(CH 3)-CH 2 -O- and CH 2 CH(n-C 3 H 7)-O.