diff --git a/tests/test_charm.py b/tests/test_charm.py
index 6b03344..8b46f18 100644
--- a/tests/test_charm.py
+++ b/tests/test_charm.py
@@ -42,6 +42,7 @@ def test_website_relation_joined(self, open, ingress_address):
         harness = Harness(JujuControllerCharm)
         self.addCleanup(harness.cleanup)
         harness.begin()
+        harness.set_leader()
         relation_id = harness.add_relation('website', 'haproxy')
         harness.add_relation_unit(relation_id, 'haproxy/0')