diff --git a/invoices/invoiceregistry_test.go b/invoices/invoiceregistry_test.go
index 2750e942d..0d20b94b4 100644
--- a/invoices/invoiceregistry_test.go
+++ b/invoices/invoiceregistry_test.go
@@ -770,7 +770,7 @@ func TestInvoiceExpiryWithRegistry(t *testing.T) {
 	testClock.SetTime(testTime.Add(24 * time.Hour))
 
 	// Give some time to the watcher to cancel everything.
-	time.Sleep(testTimeout)
+	time.Sleep(500 * time.Millisecond)
 	registry.Stop()
 
 	// Create the expected cancellation set before the final check.