diff --git a/README.md b/README.md
index 1967dd1a..76f55f99 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,7 @@ cmake_minimum_required(VERSION 3.5)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
-set(EXTRA_COMPONENT_DIRS components/lv_port_esp32/components/lv_examples components/lv_port_esp32/components/lvgl components/lv_port_esp32/components/lvgl_esp32_drivers/lvgl_tft components/lv_port_esp32/components/lvgl_esp32_drivers/lvgl_touch components/lv_port_esp32/components/lvgl_esp32_drivers)
+list(APPEND EXTRA_COMPONENT_DIRS components/lv_port_esp32/components/lv_examples components/lv_port_esp32/components/lvgl components/lv_port_esp32/components/lvgl_esp32_drivers/lvgl_tft components/lv_port_esp32/components/lvgl_esp32_drivers/lvgl_touch components/lv_port_esp32/components/lvgl_esp32_drivers)
 
 project(blink)
 ```