diff --git a/sys/dev/vt/vt_core.c b/sys/dev/vt/vt_core.c
index 8320231fc12e..47eafdc0a3bd 100644
--- a/sys/dev/vt/vt_core.c
+++ b/sys/dev/vt/vt_core.c
@@ -1150,30 +1150,33 @@ vt_mark_mouse_position_as_dirty(struct vt_device *vd)
 #endif
 
 static void
-vt_set_border(struct vt_device *vd, term_color_t c)
+vt_set_border(struct vt_device *vd, const term_rect_t *area,
+    const term_color_t c)
 {
-	term_rect_t *tarea = &vd->vd_curwindow->vw_draw_area;
-	int x, y;
+	vd_drawrect_t *drawrect = vd->vd_driver->vd_drawrect;
 
-	/* Top bar. */
-	for (y = 0; y < tarea->tr_begin.tp_row; y++)
-		for (x = 0; x < vd->vd_width; x++)
-			vd->vd_driver->vd_setpixel(vd, x, y, c);
+	if (drawrect == NULL)
+		return;
 
-	for (y = tarea->tr_begin.tp_row; y < tarea->tr_end.tp_row; y++) {
-		/* Left bar. */
-		for (x = 0; x < tarea->tr_begin.tp_col; x++)
-			vd->vd_driver->vd_setpixel(vd, x, y, c);
+	/* Top bar */
+	if (area->tr_begin.tp_row > 0)
+		drawrect(vd, 0, 0, vd->vd_width - 1,
+		    area->tr_begin.tp_row - 1, 1, c);
 
-		/* Right bar. */
-		for (x = tarea->tr_end.tp_col; x < vd->vd_width; x++)
-			vd->vd_driver->vd_setpixel(vd, x, y, c);
-	}
+	/* Left bar */
+	if (area->tr_begin.tp_col > 0)
+		drawrect(vd, 0, area->tr_begin.tp_row,
+		    area->tr_begin.tp_col - 1, area->tr_end.tp_row - 1, 1, c);
 
-	/* Bottom bar. */
-	for (y = tarea->tr_end.tp_row; y < vd->vd_height; y++)
-		for (x = 0; x < vd->vd_width; x++)
-			vd->vd_driver->vd_setpixel(vd, x, y, c);
+	/* Right bar */
+	if (area->tr_end.tp_col < vd->vd_width)
+		drawrect(vd, area->tr_end.tp_col, area->tr_begin.tp_row,
+		    vd->vd_width - 1, area->tr_end.tp_row - 1, 1, c);
+
+	/* Bottom bar */
+	if (area->tr_end.tp_row < vd->vd_height)
+		drawrect(vd, 0, area->tr_end.tp_row, vd->vd_width - 1,
+		    vd->vd_height - 1, 1, c);
 }
 
 static int
@@ -1241,7 +1244,7 @@ vt_flush(struct vt_device *vd)
 	if (vd->vd_flags & VDF_INVALID) {
 		vd->vd_flags &= ~VDF_INVALID;
 
-		vt_set_border(vd, TC_BLACK);
+		vt_set_border(vd, &vw->vw_draw_area, TC_BLACK);
 		vt_termrect(vd, vf, &tarea);
 		if (vt_draw_logo_cpus)
 			vtterm_draw_cpu_logos(vd);