diff --git a/src/CodeCasa.Lights.NetDaemon/Extensions/LightTransitionExtensions.cs b/src/CodeCasa.Lights.NetDaemon/Extensions/LightTransitionExtensions.cs
index f16aad9..baadc06 100644
--- a/src/CodeCasa.Lights.NetDaemon/Extensions/LightTransitionExtensions.cs
+++ b/src/CodeCasa.Lights.NetDaemon/Extensions/LightTransitionExtensions.cs
@@ -11,7 +11,7 @@ public static LightTurnOnParameters ToLightTurnOnParameters(this LightTransition
             Transition = lightTransition.TransitionTime?.TotalSeconds,
             Brightness = lightTransition.LightParameters.Brightness,
             RgbColor = lightTransition.LightParameters.RgbColor?.ToRgbCollection(),
-            ColorTempKelvin = lightTransition.LightParameters.ColorTempKelvin
+            ColorTempKelvin = lightTransition.LightParameters.RgbColor == null ? lightTransition.LightParameters.ColorTempKelvin : null
         };
     }
 
diff --git a/src/CodeCasa.Lights/Extensions/LightParametersExtensions.cs b/src/CodeCasa.Lights/Extensions/LightParametersExtensions.cs
index 5cd07fb..3dbbcc9 100644
--- a/src/CodeCasa.Lights/Extensions/LightParametersExtensions.cs
+++ b/src/CodeCasa.Lights/Extensions/LightParametersExtensions.cs
@@ -55,6 +55,7 @@ public static LightParameters Interpolate(this LightParameters fromLightParamete
 
             return result with
             {
+                ColorTempKelvin = null,
                 RgbColor = blendedColor
             };
         }