diff --git a/drivers/rgbled/rgbled.c b/drivers/rgbled/rgbled.c
index 6ec3f1a3e879c6ff9430931e5a15fad7ec00faa2..945134a9a1dd2a6b5d275f1f71ac93ee69f9ea5a 100644
--- a/drivers/rgbled/rgbled.c
+++ b/drivers/rgbled/rgbled.c
@@ -29,7 +29,7 @@
 /**
  * @name Set the default resolution to 8-bit per color (for a 24-bit color space)
  */
-#define PWM_RES         (255)
+#define PWM_RES         (256)
 
 
 void rgbled_init(rgbled_t *led, pwm_t pwm, int channel_r, int channel_g, int channel_b)