diff --git a/ESPFirewall/platformio.ini b/ESPFirewall/platformio.ini
index f51da2b..76d7d7e 100644
--- a/ESPFirewall/platformio.ini
+++ b/ESPFirewall/platformio.ini
@@ -8,16 +8,17 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
+[platformio]
+default_envs = esp8266
+
 [env:esp32]
 platform = espressif32
 board = esp32dev
 framework = arduino
 monitor_speed = 115200
-build_flags = -DCORE_DEBUG_LEVEL=3
 
 [env:esp8266]
 platform = espressif8266
 board = d1_mini
 framework = arduino
 monitor_speed = 115200
-build_flags = -DCORE_DEBUG_LEVEL=3