From 6adab4fe919bdcc725e732961e021dff046e9d83 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Sat, 14 Jan 2023 23:37:18 +0100
Subject: [PATCH] small update

---
 wled00/wled_serial.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wled00/wled_serial.cpp b/wled00/wled_serial.cpp
index daf60b45..8e52d567 100644
--- a/wled00/wled_serial.cpp
+++ b/wled00/wled_serial.cpp
@@ -68,7 +68,7 @@ void sendBytes(){
 }
 
 bool canUseSerial(void) {   // WLEDMM returns true if Serial can be used for debug output (i.e. not configured for other purpose)
-  #if defined(CONFIG_IDF_TARGET_ESP32C3) && !defined(WLED_DEBUG_HOST)
+  #if defined(CONFIG_IDF_TARGET_ESP32C3) && ARDUINO_USB_CDC_ON_BOOT && !defined(WLED_DEBUG_HOST)
   //  on -C3, USB CDC blocks if disconnected! so check if Serial is active before printing to it.
   if (!Serial) return false;
   #endif