@@ -244,10 +244,12 @@ func (m *containerMonitor) callback(command *execdriver.Command) {

 	m.container.State.SetRunning(command.Pid())

-	if m.startSignal != nil {

-		// signal that the process has started

+	// signal that the process has started

+	// close channel only if not closed

+	select {

+	case <-m.startSignal:

+	default:

 		close(m.startSignal)

-		m.startSignal = nil

 	}

 	if err := m.container.ToDisk(); err != nil {