diff --git a/pio_examples/gui/platformio.ini b/pio_examples/gui/platformio.ini
index c1c0632..68ba0fd 100644
--- a/pio_examples/gui/platformio.ini
+++ b/pio_examples/gui/platformio.ini
@@ -41,6 +41,8 @@ platform = espressif32
 board = esp32dev
 monitor_filters = esp32_exception_decoder
 board_build.flash_mode = dout
+;build_flags =
+;    -D DEBUG_ESPUI
 lib_deps =
     ${env.lib_deps}
     me-no-dev/AsyncTCP