Polymeric composition comprising: a) 20 to 79% by weight of a thermoplastic molding composition A, where the thermoplastic molding composition A comprises at least one semicrystalline polymer A1 and optionally at least one polymer A2 comprising at least one functional monomer A2-I; b) 10 to 79% by weight of at least one reinforcing fiber B, c) 1 to 70% by weight of at least one inorganic filler C, d) 0 to 10% by weight of at least one further additive D, where the at least one inorganic filler C has a coefficient of linear thermal expansion ∝ C (CLTE, coefficient of linear thermal expansion, measured in accordance with ISO 11359-1 and ISO 11359-2) which is smaller than the coefficient of linear thermal expansion α A of the thermoplastic molding composition A, where the at least one inorganic filler C has a volume shrinkage which is 0.1 to 10 times as great as the volume shrinkage of the reinforcing fiber B, where the volume shrinkage is calculated from the coefficient of thermal volume expansion α V in 1/K of the respective component multiplied by the proportion of the respective component in the polymeric composition in % by volume/100, where: α V, C × proportion by volume of C α V, B × proportion by volume of B = 0.1 − 10 where α V,C = coefficient of thermal volume expansion of C in 1/K, where α V,C = 3 * α C; proportion by volume of C = proportion by volume of C, based on the entire polymeric composition, in % by volume/100; α V,B = coefficient of thermal volume expansion of B in 1/K, where α V,B = 3 * α B; proportion by volume of B = proportion by volume of B, based on the entire polymeric composition, in % by volume/100; and where the data in % by weight and in % by volume respectively are based on the entire polymeric composition. a) 20 to 79% by weight of a thermoplastic molding composition A, where the thermoplastic molding composition A comprises at least one semicrystalline polymer A1 and optionally at least one polymer A2 comprising at least one functional monomer A2-I; b) 10 to 79% by weight of at least one reinforcing fiber B, c) 1 to 70% by weight of at least one inorganic filler C, d) 0 to 10% by weight of at least one further additive D, where the at least one inorganic filler C has a coefficient of linear thermal expansion ∝ C (CLTE, coefficient of linear thermal expansion, measured in accordance with ISO 11359-1 and ISO 11359-2) which is smaller than the coefficient of linear thermal expansion α A of the thermoplastic molding composition A, where the at least one inorganic filler C has a volume shrinkage which is 0.1 to 10 times as great as the volume shrinkage of the reinforcing fiber B, where the volume shrinkage is calculated from the coefficient of thermal volume expansion α V in 1/K of the respective component multiplied by the proportion of the respective component in the polymeric composition in % by volume/100, where: α V, C × proportion by volume of C α V, B × proportion by volume of B = 0.1 − 10 where α V,C = coefficient of thermal volume expansion of C in 1/K, where α V,C = 3 * α C; proportion by volume of C = proportion by volume of C, based on the entire polymeric composition, in % by volume/100; α V,B = coefficient of thermal volume expansion of B in 1/K, where α V,B = 3 * α B; proportion by volume of B = proportion by volume of B, based on the entire polymeric composition, in % by volume/100; and where the data in % by weight and in % by volume respectively are based on the entire polymeric composition. α V,C = coefficient of thermal volume expansion of C in 1/K, where α V,C = 3 * α C; proportion by volume of C = proportion by volume of C, based on the entire polymeric composition, in % by volume/100; α V,B = coefficient of thermal volume expansion of B in 1/K, where α V,B = 3 * α B; proportion by volume of B = proportion by volume of B, based on the entire polymeric composition, in % by volume/100; and where the data in % by weight and in % by volume respectively are based on the entire polymeric composition.