diff --git a/pkg/terminal/terminal.go b/pkg/terminal/terminal.go
index a2dffb8..b1489e5 100644
--- a/pkg/terminal/terminal.go
+++ b/pkg/terminal/terminal.go
@@ -30,6 +30,7 @@ type Size struct {
 
 func New(fd uintptr) (*Terminal, error) {
 	var t = &Terminal{
+		fd:      fd,
 		termios: &syscall.Termios{},
 	}
 
@@ -82,7 +83,6 @@ func (t *Terminal) SetRaw() error {
 	return nil
 }
 
-// Size returns the zero-indexed size of the terminal.
 func (t *Terminal) Size() (*Size, error) {
 	var size = &Size{}
 	if _, _, err := syscall.Syscall(