  $\mathcal{N}=1$ supersymmetric QCD (SQCD) is a possible building block of
theories beyond the standard model. It describes the interaction between gluons
and quarks with their superpartners, gluinos and squarks. Since supersymmetry
is explicitly broken by the lattice regularization, a careful fine-tuning of
operators is necessary to obtain a supersymmetric continuum limit. For the pure
gauge sector, $\mathcal{N}=1$ Supersymmetric Yang-Mills theory, supersymmetry
is only broken by a non-vanishing gluino mass. If we add matter fields, this is
no longer true and more operators in the scalar squark sector have to be
considered for fine-tuning the theory. Guided by a one-loop calculation in
lattice perturbation theory, we show that maintaining chiral symmetry in the
light sector is nevertheless an important step. Furthermore, we present first
preliminary lattice results on the fine-tuning and Ward-identities of SQCD.
