diff --git a/src/tui/light.go b/src/tui/light.go
index 3ef8b60..4d3f58a 100644
--- a/src/tui/light.go
+++ b/src/tui/light.go
@@ -73,7 +73,7 @@ func (r *LightRenderer) csi(code string) string {
 
 func (r *LightRenderer) flush() {
 	if r.queued.Len() > 0 {
-		fmt.Fprint(os.Stderr, "\x1b[?7l\x1b[?25l"+r.queued.String()+"\x1b[?25h\x1b[?7h")
+		fmt.Fprint(r.ttyout, "\x1b[?7l\x1b[?25l"+r.queued.String()+"\x1b[?25h\x1b[?7h")
 		r.queued.Reset()
 	}
 }
@@ -88,6 +88,7 @@ type LightRenderer struct {
 	prevDownTime  time.Time
 	clicks        [][2]int
 	ttyin         *os.File
+	ttyout        *os.File
 	buffer        []byte
 	origState     *term.State
 	width         int
@@ -131,6 +132,10 @@ func NewLightRenderer(theme *ColorTheme, forceBlack bool, mouse bool, tabstop in
 	if err != nil {
 		return nil, err
 	}
+	out, err := openTtyOut()
+	if err != nil {
+		out = os.Stderr
+	}
 	r := LightRenderer{
 		closed:        util.NewAtomicBool(false),
 		theme:         theme,
@@ -138,6 +143,7 @@ func NewLightRenderer(theme *ColorTheme, forceBlack bool, mouse bool, tabstop in
 		mouse:         mouse,
 		clearOnExit:   clearOnExit,
 		ttyin:         in,
+		ttyout:        out,
 		yoffset:       0,
 		tabstop:       tabstop,
 		fullscreen:    fullscreen,
diff --git a/src/tui/light_unix.go b/src/tui/light_unix.go
index a5499a0..da675aa 100644
--- a/src/tui/light_unix.go
+++ b/src/tui/light_unix.go
@@ -14,6 +14,8 @@ import (
 	"golang.org/x/term"
 )
 
+var tty string
+
 func IsLightRendererSupported() bool {
 	return true
 }
@@ -48,12 +50,14 @@ func (r *LightRenderer) closePlatform() {
 	// NOOP
 }
 
-func openTtyIn() (*os.File, error) {
-	in, err := os.OpenFile(consoleDevice, syscall.O_RDONLY, 0)
+func openTty(mode int) (*os.File, error) {
+	in, err := os.OpenFile(consoleDevice, mode, 0)
 	if err != nil {
-		tty := ttyname()
+		if len(tty) == 0 {
+			tty = ttyname()
+		}
 		if len(tty) > 0 {
-			if in, err := os.OpenFile(tty, syscall.O_RDONLY, 0); err == nil {
+			if in, err := os.OpenFile(tty, mode, 0); err == nil {
 				return in, nil
 			}
 		}
@@ -62,6 +66,14 @@ func openTtyIn() (*os.File, error) {
 	return in, nil
 }
 
+func openTtyIn() (*os.File, error) {
+	return openTty(syscall.O_RDONLY)
+}
+
+func openTtyOut() (*os.File, error) {
+	return openTty(syscall.O_WRONLY)
+}
+
 func (r *LightRenderer) setupTerminal() {
 	term.MakeRaw(r.fd())
 }
diff --git a/src/tui/light_windows.go b/src/tui/light_windows.go
index 635b892..8c459d6 100644
--- a/src/tui/light_windows.go
+++ b/src/tui/light_windows.go
@@ -96,6 +96,11 @@ func openTtyIn() (*os.File, error) {
 	return nil, nil
 }
 
+func openTtyOut() (*os.File, error) {
+	// not used
+	return nil, nil
+}
+
 func (r *LightRenderer) setupTerminal() error {
 	if err := windows.SetConsoleMode(windows.Handle(r.outHandle), consoleFlagsOutput); err != nil {
 		return err