diff --git a/cmd-display-menu.c b/cmd-display-menu.c
index a68b9fc4..d021e477 100644
--- a/cmd-display-menu.c
+++ b/cmd-display-menu.c
@@ -175,7 +175,7 @@ cmd_display_menu_get_position(struct client *tc, struct cmdq_item *item,
 		} else
 			format_add(ft, "popup_mouse_centre_y", "%ld", n);
 		n = (long)event->m.y + h;
-		if (n + h >= tty->sy)
+		if (n >= tty->sy)
 			format_add(ft, "popup_mouse_top", "%u", tty->sy - 1);
 		else
 			format_add(ft, "popup_mouse_top", "%ld", n);