A one-part moisture-curing liquid-applied waterproofing membrane comprising - at least one isocyanate-functional polyurethane polymer, wherein the isocyanate-functional polymer is based on an aliphatic polyisocyanate; - at least one aldimine of the formula (I), wherein A is an n-valent hydrocarbyl moiety of molecular weight in the range of 28 to 5000 g/mol optionally containing ether or urethane groups, R 1 and R 2 are the same or different C 1 to C 12 linear or branched alkyls, or are joined together to form a divalent linear or branched C 4 to C 12 hydrocarbyl moiety which is part of a 5- to 8-membered carbocyclic ring, R 3 is hydrogen or a linear or branched C 1 to C 12 alkyl or arylalkyl or alkoxycarbonyl, R 4 is a monovalent C 6 to C 20 hydrocarbyl moiety optionally containing ether, carbonyl or ester groups, and n is from 2 to 6; - at least one oxazolidine of the formula (II), wherein B is a m-valent hydrocarbyl moiety of molecular weight in the range of 28 to 2000 g/mol optionally containing ether, ester, amide, carbonate, urethane or urea groups, R 5 and R 6 are independently selected from hydrogen or C 1 to C 12 linear or branched alkyl, and m is 2 or 3; whereby the ratio between the number of aldimino groups and the number of oxazolidino groups is in the range of 80/20 to 20/80. - at least one isocyanate-functional polyurethane polymer, wherein the isocyanate-functional polymer is based on an aliphatic polyisocyanate; - at least one aldimine of the formula (I), wherein A is an n-valent hydrocarbyl moiety of molecular weight in the range of 28 to 5000 g/mol optionally containing ether or urethane groups, R 1 and R 2 are the same or different C 1 to C 12 linear or branched alkyls, or are joined together to form a divalent linear or branched C 4 to C 12 hydrocarbyl moiety which is part of a 5- to 8-membered carbocyclic ring, R 3 is hydrogen or a linear or branched C 1 to C 12 alkyl or arylalkyl or alkoxycarbonyl, R 4 is a monovalent C 6 to C 20 hydrocarbyl moiety optionally containing ether, carbonyl or ester groups, and n is from 2 to 6; A is an n-valent hydrocarbyl moiety of molecular weight in the range of 28 to 5000 g/mol optionally containing ether or urethane groups, R 1 and R 2 are the same or different C 1 to C 12 linear or branched alkyls, or are joined together to form a divalent linear or branched C 4 to C 12 hydrocarbyl moiety which is part of a 5- to 8-membered carbocyclic ring, R 3 is hydrogen or a linear or branched C 1 to C 12 alkyl or arylalkyl or alkoxycarbonyl, R 4 is a monovalent C 6 to C 20 hydrocarbyl moiety optionally containing ether, carbonyl or ester groups, and n is from 2 to 6; - at least one oxazolidine of the formula (II), wherein B is a m-valent hydrocarbyl moiety of molecular weight in the range of 28 to 2000 g/mol optionally containing ether, ester, amide, carbonate, urethane or urea groups, R 5 and R 6 are independently selected from hydrogen or C 1 to C 12 linear or branched alkyl, and m is 2 or 3; whereby the ratio between the number of aldimino groups and the number of oxazolidino groups is in the range of 80/20 to 20/80. B is a m-valent hydrocarbyl moiety of molecular weight in the range of 28 to 2000 g/mol optionally containing ether, ester, amide, carbonate, urethane or urea groups, R 5 and R 6 are independently selected from hydrogen or C 1 to C 12 linear or branched alkyl, and m is 2 or 3; <EOS>