A negative-working lithographic printing plate precursor is disclosed which includes a coating containing a photopolymerizable layer and optionally an intermediate layer between the photopolymerizable layer and a support, wherein the coating further comprises a polysiloxane, said polysiloxane being present in the photopolymerizable layer and/or in the optional intermediate layer, characterized in that the polysiloxane is obtainable by reacting at least one organosilicon compound represented by the general Formula (I) and at least one organosilicon compound represented by the general Formula (II). Formula (I) and formula (II) are shown in the specification.