  We present a preliminary result for second moment of the light cone wave
function of the pion. This parameter is the subject of a discrepancy between
theoretical predictions (coming from lattice and sum rules) and a recent
experimental result (that remarkably agrees with purely perturbative
predictions). In this work we exploit lattice hypercubic symmetries to remove
power divergences and, moreover, implement a full 1-loop matching for all the
contributing operators.
