--- - |2 Abstract For ensuring the well‐being of groups, people are needed who deviate from ingroup norms that harm the group (“loyal deviance”). Qualifying previous results that loyal deviants have to be highly identified with the group, we hypothesize and show that this is only true when group members at the same time feel that they are highly prototypical for the group. No such effects occurred for peripheral members. In all three studies (N1 = 207, N2 = 115, N3 = 107), we measured people's intention to conform to a non‐beneficial (vs. beneficial; Study 1) ingroup norm, self‐investment in the group, and perceived (manipulated in Study 3) marginalization. Obviously, dissent from non‐beneficial norms requires both a deep psychological investment in the group as well as secure ingroup membership. Implications are discussed. - European Journal of Social Psychology, EarlyView.