diff --git a/min-brightness.sh b/min-brightness.sh
index a53286c..120147b 100644
--- a/min-brightness.sh
+++ b/min-brightness.sh
@@ -6,7 +6,7 @@
 BRIGHTNESS_FILE=/sys/devices/platform/mtk-leds/leds/lcd-backlight/brightness
 BRIGHTNESS="$(cat "$BRIGHTNESS_FILE")"
 
-if [ "$BRIGHTNESS" -lt 15 ]; then
+if [[ $BRIGHTNESS -lt 2 && $BRIGHTNESS -ne 0 ]]; then
   settings put system screen_brightness 2
 fi