diff --git a/v3/newrelic/trace_observer_test.go b/v3/newrelic/trace_observer_test.go
index 71d75a84d..f746416c8 100644
--- a/v3/newrelic/trace_observer_test.go
+++ b/v3/newrelic/trace_observer_test.go
@@ -902,7 +902,7 @@ func TestTrObsOKSendBackoffNo(t *testing.T) {
 	}
 	// If the default backoff of 15 seconds is used, the second span will not
 	// be received in time.
-	if !s.DidSpansArrive(t, 2, 4*time.Second) {
+	if !s.DidSpansArrive(t, 2, 8*time.Second) {
 		t.Error("server did not receive 2 spans")
 	}
 }