diff --git a/platformio.ini b/platformio.ini
index 8f1e35096..30a261dc9 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -284,7 +284,6 @@ build_unflags = ${common.build_unflags}
 build_flags = -g
   -Wshadow=compatible-local ;; emit warning in case a local variable "shadows" another local one
   -DARDUINO_ARCH_ESP32 -DESP32
-  -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when building with arduino-esp32 >=2.0.3
   ${esp32_all_variants.build_flags}
   -D WLED_ENABLE_DMX_INPUT
 lib_deps =
@@ -454,6 +453,7 @@ platform = ${esp32_idf_V4.platform}
 build_unflags = ${common.build_unflags}
 custom_usermods = audioreactive
 build_flags = ${common.build_flags} ${esp32_idf_V4.build_flags} -D WLED_RELEASE_NAME=\"ESP32_V4\" #-D WLED_DISABLE_BROWNOUT_DET
+              -DARDUINO_USB_CDC_ON_BOOT=0 ;; this flag is mandatory for "classic ESP32" when building with arduino-esp32 >=2.0.3
 lib_deps = ${esp32_idf_V4.lib_deps}
 monitor_filters = esp32_exception_decoder
 board_build.partitions = ${esp32.default_partitions}