diff --git a/pkg/sensors/delayed_sensor_test.go b/pkg/sensors/delayed_sensor_test.go
index ff66fadd7d0..eddb8821505 100644
--- a/pkg/sensors/delayed_sensor_test.go
+++ b/pkg/sensors/delayed_sensor_test.go
@@ -66,7 +66,7 @@ func (tds *TestDelayedSensor) Destroy() {
 func (tds *TestDelayedSensor) unblock(t *testing.T) {
 	select {
 	case tds.ch <- struct{}{}:
-	default:
+	case <-time.After(10 * time.Second):
 		t.Fatalf("unblocked failed: channel does not seem to be empty")
 	}