diff --git a/tty.c b/tty.c
index 1ccf5751..f84c8f11 100644
--- a/tty.c
+++ b/tty.c
@@ -588,7 +588,7 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
 	tty_reset(tty);
 
 	tty_cursor(tty, ox + sx, oy + py);
-	if (ox + sx + screen_size_x(s) >= tty->sx &&
+	if (ox + screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL))
 		tty_putcode(tty, TTYC_EL);
 	else {