diff --git a/tests/unit/test_scheduler.py b/tests/unit/test_scheduler.py
index 42e8687f54..17e0cdb146 100755
--- a/tests/unit/test_scheduler.py
+++ b/tests/unit/test_scheduler.py
@@ -2395,6 +2395,7 @@ class TestScheduler(ZuulTestCase):
         self.waitUntilSettled()
 
         self.sched.reconfigure(self.config)
+        self.waitUntilSettled()
 
         self.launch_server.hold_jobs_in_build = False
         self.launch_server.release()