diff --git a/light/Light.cpp b/light/Light.cpp
index a9b58f4..44507f4 100644
--- a/light/Light.cpp
+++ b/light/Light.cpp
@@ -74,7 +74,7 @@ static uint32_t getBrightness(const LightState& state) {
 }
 
 static inline uint32_t scaleBrightness(uint32_t brightness, uint32_t maxBrightness) {
-    return brightness * maxBrightness / 0xFF;
+    return (brightness - 1) * (maxBrightness - 1) / (0xFF - 1) + 1;
 }
 
 static inline uint32_t getScaledBrightness(const LightState& state, uint32_t maxBrightness) {