Cross-cutting exposure is widely assumed to benefit democracies by providing an antidote to echo chambers and polarization. Yet, partisans hold negative perceptions of political discussions and recent evidence questions the benefits of cross-cutting exposure on social media. We reconcile these contradictory findings and argue that constructive out-partisans mitigates the adverse consequences of hostile out-partisan media. We show that exposure to hostile out-partisan media decrease willingness to cross-partisan dialogue in line with previous research. However, observing out-partisans breaking stereotypes by being constructive rather than hostile in comment sections, increases willingness for cross-partisan dialogue and trust. These findings show that out-partisans who break exaggerated stereotypes on social media can mitigate adverse consequences of hostile partisan media.