diff --git a/platformio.ini b/platformio.ini
index 14160df..d7fb52d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -126,7 +126,7 @@ build_flags =
     -DNERMINER_S3_DONGLE
     -DBOARD_HAS_PSRAM
     -DARDUINO_USB_CDC_ON_BOOT
-    -DTFT_BACKLIGHT_ON=HIGH
+    -DTFT_BACKLIGHT_ON=LOW
     -DTFT_BL=38
 lib_deps = 
 	https://github.com/takkaO/OpenFontRender