diff --git a/api/semaphore_test.go b/api/semaphore_test.go
index b2ec954ed..0b88e8b25 100644
--- a/api/semaphore_test.go
+++ b/api/semaphore_test.go
@@ -295,6 +295,7 @@ func TestAPI_SemaphoreConflict(t *testing.T) {
 	t.Parallel()
 	c, s := makeClient(t)
 	defer s.Stop()
+	s.WaitForSerfCheck(t)
 
 	lock, session := createTestLock(t, c, "test/sema/.lock")
 	defer session.Destroy(lock.opts.Session, nil)