diff --git a/env_support/cmake/esp.cmake b/env_support/cmake/esp.cmake
index edc370991..19762c043 100644
--- a/env_support/cmake/esp.cmake
+++ b/env_support/cmake/esp.cmake
@@ -1,4 +1,4 @@
-file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c)
+file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c ${LVGL_ROOT_DIR}/src/*.cpp)
 
 idf_build_get_property(LV_MICROPYTHON LV_MICROPYTHON)