diff --git a/firmware/target/arm/rk27xx/backlight-rk27xx.c b/firmware/target/arm/rk27xx/backlight-rk27xx.c
index 065b5ef7d0..447814a99a 100644
--- a/firmware/target/arm/rk27xx/backlight-rk27xx.c
+++ b/firmware/target/arm/rk27xx/backlight-rk27xx.c
@@ -40,7 +40,7 @@ static int brightness = DEFAULT_BRIGHTNESS_SETTING;
  * So the function used to calculate the values in the matrix was:
  * f(x) = (PWM_FREQ_MAX - PWM_FREQ_MIN) * ((100*x/31 + 16)/116)^3 + PWM_FREQ_MIN
  */
-#ifdef RK27GENERIC
+#ifdef RK27_GENERIC
 static const unsigned short lin_brightness[] = {
      8110,  8191,  8304,  8455,  8649,  8892,  9189,  9545,
      9966, 10457, 11024, 11671, 12406, 13232, 14156, 15182,