diff --git a/examples/arduino/LVGL_Arduino.ino b/examples/arduino/LVGL_Arduino.ino
index 911ce7633..d1f544c6b 100644
--- a/examples/arduino/LVGL_Arduino.ino
+++ b/examples/arduino/LVGL_Arduino.ino
@@ -6,13 +6,14 @@
 #include <lv_examples.h> */
 
 TFT_eSPI tft = TFT_eSPI(); /* TFT instance */
-static lv_disp_buf_t disp_buf;
-static lv_color_t buf[LV_HOR_RES_MAX * 10];
 
 /* Change to your screen resolution */
 static uint32_t screenWidth = 320;
 static uint32_t screenHeight = 240;
 
+static lv_disp_buf_t disp_buf;
+static lv_color_t buf[screenWidth * 10];
+
 #if LV_USE_LOG != 0
 /* Serial debugging */
 void my_print(lv_log_level_t level, const char *file, uint32_t line, const char *fn_name, const char *dsc)
@@ -81,14 +82,14 @@ void setup()
     uint16_t calData[5] = {275, 3620, 264, 3532, 1};
     tft.setTouch(calData);
 
-    lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
+    lv_disp_buf_init(&disp_buf, buf, NULL, screenWidth * 10);
 
     /* Initialize the display */
     lv_disp_drv_t disp_drv;
     lv_disp_drv_init(&disp_drv);
     /* Change the following line to your display resolution */
-    disp_drv.hor_res = 320;
-    disp_drv.ver_res = 240;
+    disp_drv.hor_res = screenWidth;
+    disp_drv.ver_res = screenHeight;
     disp_drv.flush_cb = my_disp_flush;
     disp_drv.buffer = &disp_buf;
     lv_disp_drv_register(&disp_drv);