In view of academic and policy discussions about a persisting gap between human rights and peacebuilding in the UN system, this article examines how peacebuilding has been integrated into the work of the UN Human Rights Council (HRC). The analysis draws on interviews with UN Member State attachés and representatives of non-governmental organizations, as well as a range of HRC documents focusing on Myanmar between 2006 and 2021. The findings complement the existing academic literature with nuanced insights into the interaction between human rights and peacebuilding practitioners from a human rights, institutional perspective. The analysis reveals that the HRC is aware of the link between human rights and peacebuilding, implicitly supports peacebuilding and seeks to strengthen institutional cooperation through the prevention resolutions. However, despite efforts to increase engagement, explicit linkages and coordination with the UN’s peacebuilding institutions in New York remain rare. Institutional silos, concerns about sovereignty and mandate overlap, fears of politicization as well as a lack of political will and capacity constraints present obstacles to cooperation. This article points to the need for a better information flow and stronger interaction between human rights and peacebuilding actors in Geneva and New York to enhance mutual understanding. Improving synergies between human rights and peacebuilding institutions in Geneva and New York is key to bridging the overall gap between human rights and peacebuilding—both in policy and practice.