diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index 1ce324dbed9..14f9d78aef5 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed XR depth copy when using MSAA.
 - Fixed after post process custom pass scale issue when dynamic resolution is enabled (case 1299194).
 - Fixed an issue with light intensity prefab override application not visible in the inspector (case 1299563).
+- Fixed Undo/Redo instability of light temperature.
 
 ### Changed
 - Change the source value for the ray tracing frame index iterator from m_FrameCount to the camera frame count (case 1301356).
diff --git a/com.unity.render-pipelines.high-definition/Editor/Lighting/LightUnit/LightUnitSlider.cs b/com.unity.render-pipelines.high-definition/Editor/Lighting/LightUnit/LightUnitSlider.cs
index 363ff159c6b..f6356a5c89b 100644
--- a/com.unity.render-pipelines.high-definition/Editor/Lighting/LightUnit/LightUnitSlider.cs
+++ b/com.unity.render-pipelines.high-definition/Editor/Lighting/LightUnit/LightUnitSlider.cs
@@ -569,12 +569,14 @@ void SliderWithTextureNoTextField(Rect rect, ref float value, Vector2 range, Lig
             // Draw the exponential slider that fits 6500K to the white point on the gradient texture.
             var internalValue = GUI.HorizontalSlider(rect, ValueToSlider(value), 0f, 1f, SliderStyles.k_TemperatureBorder, SliderStyles.k_TemperatureThumb);
 
-            // Map the value back into kelvin.
-            value = SliderToValue(internalValue);
-
             // Round to nearest since so much precision is not necessary for kelvin while sliding.
             if (EditorGUI.EndChangeCheck())
+            {
+                // Map the value back into kelvin.
+                value = SliderToValue(internalValue);
+
                 value = Mathf.Round(value);
+            }
         }
     }