diff --git a/platformio.ini b/platformio.ini
index e316c3aa1..275b8d5ef 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -113,7 +113,7 @@ build_flags =
   -D DECODE_SONY=true
   -D DECODE_SAMSUNG=true
   -D DECODE_LG=true
-  -Dregister= # remove warnings in C++17 due to use of deprecated register keyword by the FastLED library
+  ;-Dregister= # remove warnings in C++17 due to use of deprecated register keyword by the FastLED library
   -DWLED_USE_MY_CONFIG
   ; -D USERMOD_SENSORSTOMQTT
   #For ADS1115 sensor uncomment following