diff --git a/bundles/org.openhab.binding.deconz/src/main/java/org/openhab/binding/deconz/internal/BindingConstants.java b/bundles/org.openhab.binding.deconz/src/main/java/org/openhab/binding/deconz/internal/BindingConstants.java
index 4e5f12cbf..a13ea4710 100644
--- a/bundles/org.openhab.binding.deconz/src/main/java/org/openhab/binding/deconz/internal/BindingConstants.java
+++ b/bundles/org.openhab.binding.deconz/src/main/java/org/openhab/binding/deconz/internal/BindingConstants.java
@@ -131,5 +131,5 @@ public class BindingConstants {
     public static final double HUE_FACTOR = 65535 / 360.0;
     public static final int BRIGHTNESS_MIN = 0;
     public static final int BRIGHTNESS_MAX = 254;
-    public static final double BRIGHTNESS_FACTOR = BRIGHTNESS_MAX / PercentType.HUNDRED.intValue();
+    public static final double BRIGHTNESS_FACTOR = BRIGHTNESS_MAX / PercentType.HUNDRED.doubleValue();
 }