diff --git a/revid/senders_test.go b/revid/senders_test.go
index 951276ee..80b18746 100644
--- a/revid/senders_test.go
+++ b/revid/senders_test.go
@@ -309,7 +309,7 @@ func TestMtsSenderDiscontinuity(t *testing.T) {
 	// Create destination, the mtsSender and the mtsEncoder.
 	const clipToDelay = 3
 	dst := &destination{t: t, sendDelay: 10 * time.Millisecond, delayAt: clipToDelay, done: make(chan struct{})}
-	rb, err := vring.NewBuffer(1, rbCapacity, 0)
+	rb, err := vring.NewBuffer(1, rbCapacity, 10*time.Millisecond)
 	if err != nil {
 		t.Fatalf("could not initialise ring buffer: %v", err)
 	}