diff --git a/platformio.ini b/platformio.ini
index 9daecb4..3fa30cc 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -22,4 +22,4 @@ build_flags = -D ESP8266_BOARD
 platform = espressif32
 board = node32s
 framework = arduino
-build_flags = -D ESP32n_BOARDder
\ No newline at end of file
+build_flags = -D ESP32_BOARD
\ No newline at end of file