diff --git a/src/hal/lv_hal_disp.c b/src/hal/lv_hal_disp.c
index 8f1741e13..f36f65b85 100644
--- a/src/hal/lv_hal_disp.c
+++ b/src/hal/lv_hal_disp.c
@@ -159,7 +159,7 @@ lv_disp_t * lv_disp_drv_register(lv_disp_drv_t * driver)
  */
 void lv_disp_drv_update(lv_disp_t * disp, lv_disp_drv_t * new_drv)
 {
-    LV_UNUSED(new_drv);
+    disp->driver = new_drv;
 
     lv_coord_t w = lv_disp_get_hor_res(disp);
     lv_coord_t h = lv_disp_get_ver_res(disp);