diff --git a/eth/downloader/queue_test.go b/eth/downloader/queue_test.go
index 120e3f9d2de..ca71a769de2 100644
--- a/eth/downloader/queue_test.go
+++ b/eth/downloader/queue_test.go
@@ -351,6 +351,7 @@ func XTestDelivery(t *testing.T) {
 			}
 		}
 	}()
+	wg.Add(1)
 	go func() {
 		defer wg.Done()
 		// reserve receiptfetch