Method for determining the fault location in the case of a fault, in particular a short circuit, on an electric line or a line section of the electric line, wherein - first reference voltage values are established by means of current and voltage sampled values ( Uan, Ian) at one line end of the line or line section, referred to as first line end below, and the impedance ( Z(jω)) of the line, - second reference voltage values are established by means of current and voltage sampled values ( Ucn, Icn) at the other line end of the line or line section, referred to as second line end below, and the impedance ( Z(jω)) of the line, - fictitious first reference voltage values ( U1') are calculated on the basis of a wave guiding model, describing the wave response of the line, with the first reference voltage values, said fictitious first reference voltage values, in the fault-free case, corresponding to the second reference voltage values at the second line end, and fictitious second reference voltage values ( U 2') are calculated with the second reference voltage values, said fictitious second reference voltage values, in the fault-free case, corresponding to the first reference voltage values at the first line end, and - the fault location is established by means of the first and second reference voltage values ( U1, U2) and the first and second fictitious reference voltage values ( U1', U2'), characterized in that - a first fictitious fault voltage signal is established by forming the difference between the second fictitious reference voltage values ( U 2') and the first reference voltage values and a second fictitious reference voltage signal is established by forming the difference between the first fictitious reference voltage values ( U1') and the second reference voltage values, - the two fictitious fault voltage signals ( UFS1, UFS2) are subject to a cross correlation and a cross correlation function ( φ(τ)) is established, and - the fault location is established on the basis of the cross correlation function ( φ(τ)) by virtue of the error location being determined on the basis of the temporal shift of the maximum of the cross correlation function ( φ(τ)) in relation to the mid position in the results window of the cross correlation function ( φ(τ)). - first reference voltage values are established by means of current and voltage sampled values ( Uan, Ian) at one line end of the line or line section, referred to as first line end below, and the impedance ( Z(jω)) of the line, - second reference voltage values are established by means of current and voltage sampled values ( Ucn, Icn) at the other line end of the line or line section, referred to as second line end below, and the impedance ( Z(jω)) of the line, - fictitious first reference voltage values ( U1') are calculated on the basis of a wave guiding model, describing the wave response of the line, with the first reference voltage values, said fictitious first reference voltage values, in the fault-free case, corresponding to the second reference voltage values at the second line end, and fictitious second reference voltage values ( U 2') are calculated with the second reference voltage values, said fictitious second reference voltage values, in the fault-free case, corresponding to the first reference voltage values at the first line end, and - the fault location is established by means of the first and second reference voltage values ( U1, U2) and the first and second fictitious reference voltage values ( U1', U2'), characterized in that - a first fictitious fault voltage signal is established by forming the difference between the second fictitious reference voltage values ( U 2') and the first reference voltage values and a second fictitious reference voltage signal is established by forming the difference between the first fictitious reference voltage values ( U1') and the second reference voltage values, - the two fictitious fault voltage signals ( UFS1, UFS2) are subject to a cross correlation and a cross correlation function ( φ(τ)) is established, and - the fault location is established on the basis of the cross correlation function ( φ(τ)) by virtue of the error location being determined on the basis of the temporal shift of the maximum of the cross correlation function ( φ(τ)) in relation to the mid position in the results window of the cross correlation function ( φ(τ)).