diff --git a/src/dev/nuttx/lv_nuttx_fbdev.c b/src/dev/nuttx/lv_nuttx_fbdev.c
index 76624925a5..19ffe0142f 100644
--- a/src/dev/nuttx/lv_nuttx_fbdev.c
+++ b/src/dev/nuttx/lv_nuttx_fbdev.c
@@ -32,13 +32,14 @@
  **********************/
 
 typedef struct {
+    /* fd should be defined at the beginning */
+    int fd;
     struct fb_videoinfo_s vinfo;
     struct fb_planeinfo_s pinfo;
 
     void * mem;
     void * mem2;
     uint32_t mem2_yoffset;
-    int fd;
 } lv_nuttx_fb_t;
 
 /**********************
@@ -132,7 +133,6 @@ int lv_nuttx_fbdev_set_file(lv_display_t * disp, const char * file)
 
     lv_display_set_draw_buffers(disp, dsc->mem, dsc->mem2,
                                 (dsc->pinfo.stride * dsc->vinfo.yres), LV_DISP_RENDER_MODE_DIRECT);
-    lv_display_set_user_data(disp, (void *)(uintptr_t)(dsc->fd));
     lv_display_set_resolution(disp, dsc->vinfo.xres, dsc->vinfo.yres);
     lv_timer_set_cb(disp->refr_timer, display_refr_timer_cb);
 
diff --git a/src/dev/nuttx/lv_nuttx_lcd.c b/src/dev/nuttx/lv_nuttx_lcd.c
index 91a0df0288..987650de26 100644
--- a/src/dev/nuttx/lv_nuttx_lcd.c
+++ b/src/dev/nuttx/lv_nuttx_lcd.c
@@ -34,6 +34,7 @@
  **********************/
 
 typedef struct {
+    /* fd should be defined at the beginning */
     int fd;
     lv_display_t * disp;
     struct lcddev_area_s area;
@@ -201,7 +202,6 @@ static lv_display_t * lcd_init(int fd, int hor_res, int ver_res)
     lv_display_add_event_cb(lcd->disp, rounder_cb, LV_EVENT_INVALIDATE_AREA, lcd);
     lv_display_add_event_cb(lcd->disp, display_release_cb, LV_EVENT_DELETE, lcd->disp);
     lv_display_set_driver_data(lcd->disp, lcd);
-    lv_display_set_user_data(lcd->disp, (void *)(uintptr_t)fd);
 
     return lcd->disp;
 }
diff --git a/src/dev/nuttx/lv_nuttx_libuv.c b/src/dev/nuttx/lv_nuttx_libuv.c
index 0a793ca05e..d3126cd5f4 100644
--- a/src/dev/nuttx/lv_nuttx_libuv.c
+++ b/src/dev/nuttx/lv_nuttx_libuv.c
@@ -199,7 +199,7 @@ static int lv_nuttx_uv_fb_init(lv_nuttx_uv_t * uv_info, lv_nuttx_uv_fb_ctx_t * f
     LV_ASSERT_NULL(disp);
     LV_ASSERT_NULL(loop);
 
-    fb_ctx->fd = (uintptr_t)lv_display_get_user_data(disp);
+    fb_ctx->fd = *(int *)lv_display_get_driver_data(disp);
 
     if(fb_ctx->fd <= 0) {
         LV_LOG_USER("skip uv fb init.");
@@ -271,7 +271,7 @@ static int lv_nuttx_uv_input_init(lv_nuttx_uv_t * uv_info, lv_nuttx_uv_input_ctx
         return -EINVAL;
     }
 
-    input_ctx->fd = (uintptr_t)lv_indev_get_user_data(indev);
+    input_ctx->fd = *(int *)lv_indev_get_driver_data(indev);
     if(input_ctx->fd <= 0) {
         return 0;
     }
diff --git a/src/dev/nuttx/lv_nuttx_touchscreen.c b/src/dev/nuttx/lv_nuttx_touchscreen.c
index e0d056c33e..5dc1196776 100644
--- a/src/dev/nuttx/lv_nuttx_touchscreen.c
+++ b/src/dev/nuttx/lv_nuttx_touchscreen.c
@@ -32,6 +32,7 @@
  **********************/
 
 typedef struct {
+    /* fd should be defined at the beginning */
     int fd;
     lv_indev_state_t last_state;
     lv_indev_t * indev_drv;
@@ -155,7 +156,6 @@ static lv_indev_t * touchscreen_init(int fd)
     lv_indev_set_type(indev, LV_INDEV_TYPE_POINTER);
     lv_indev_set_read_cb(indev, touchscreen_read);
     lv_indev_set_driver_data(indev, touchscreen);
-    lv_indev_set_user_data(indev, (void *)(uintptr_t)fd);
     lv_indev_add_event_cb(indev, touchscreen_delete_cb, LV_EVENT_DELETE, indev);
     return indev;
 }