diff --git a/platformio.ini b/platformio.ini
index 3e2b0db..e1a60f8 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -19,7 +19,7 @@ platform = espressif32
 board = esp32dev
 framework = arduino
 build_flags = 
-    -DESP32_DEV_MODULE
+    -DESP32_S2_DEV_MODULE
     -std=c++17
 lib_deps =
     Adafruit NeoPixel