diff --git a/device/device.go b/device/device.go
index b918aba4..f087255b 100644
--- a/device/device.go
+++ b/device/device.go
@@ -118,12 +118,8 @@ func (m *ManualInput) Start() error {
 
 // Stop closes the pipe and sets the isRunning flag to false.
 func (m *ManualInput) Stop() error {
-	if !m.isRunning {
-		return nil
-	}
-	err := m.reader.Close()
-	if err != nil {
-		return err
+	if m.reader != nil {
+		m.reader.Close()
 	}
 	m.isRunning = false
 	return nil