fix help output

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/godbus/dbus/v5 v5.0.3
 	github.com/hpcloud/tail v1.0.0
 	github.com/spf13/pflag v1.0.5
-	golang.org/x/sys v0.0.0-20200928205150-006507a75852 // indirect
+	golang.org/x/sys v0.0.0-20201116194326-cc9327a14d48 // indirect
 	gopkg.in/fsnotify.v1 v1.4.7 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 )

go.sum

@@ -6,6 +6,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 golang.org/x/sys v0.0.0-20200928205150-006507a75852 h1:sXxgOAXy8JwHhZnPuItAlUtwIlxrlEqi28mKhUR+zZY=
 golang.org/x/sys v0.0.0-20200928205150-006507a75852/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201116194326-cc9327a14d48 h1:AYCWBZhgIw6XobZ5CibNJr0Rc4ZofGGKvWa1vcx2IGk=
+golang.org/x/sys v0.0.0-20201116194326-cc9327a14d48/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=

main.go

@@ -380,7 +380,6 @@ func main() {
 	}
 	mw := io.MultiWriter(logfile, os.Stdout)
 	log.SetOutput(mw)
-	os.Stderr = logfile
 	flag.StringVar(&PLAY, "play", PLAY, "Play symbol/text to use.")
 	flag.StringVar(&PAUSE, "pause", PAUSE, "Pause symbol/text to use.")
 	flag.StringVar(&SEP, "separator", SEP, "Separator string to use between artist, album, and title.")
@@ -393,6 +392,7 @@ func main() {
 	flag.StringVar(&command, "send", "", "send command to already runnning waybar-mpris instance. (options: "+strings.Join(COMMANDS, "/")+")")
 
 	flag.Parse()
+	os.Stderr = logfile
 
 	if command != "" {
 		conn, err := net.Dial("unix", SOCK)