diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index 613dd880997..a0f0029cc18 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -158,6 +158,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed a NaN generating in Area light code.
 - Fixed CustomPassUtils scaling issues when used with RTHandles allocated from a RenderTexture.
 - Fixed ResourceReloader that was not call anymore at pipeline construction
+- Fixed undo of some properties on light editor.
 
 ### Changed
 - Changed Window/Render Pipeline/HD Render Pipeline Wizard to Window/Rendering/HDRP Wizard
diff --git a/com.unity.render-pipelines.high-definition/Editor/Lighting/HDLightEditor.cs b/com.unity.render-pipelines.high-definition/Editor/Lighting/HDLightEditor.cs
index f2dd11c28f1..00909f9e0be 100644
--- a/com.unity.render-pipelines.high-definition/Editor/Lighting/HDLightEditor.cs
+++ b/com.unity.render-pipelines.high-definition/Editor/Lighting/HDLightEditor.cs
@@ -60,7 +60,7 @@ void OnUndoRedo()
             // Serialized object is lossing references after an undo
             if (m_SerializedHDLight.serializedObject.targetObject != null)
             {
-                m_SerializedHDLight.serializedObject.ApplyModifiedProperties();
+                m_SerializedHDLight.serializedObject.Update();
                 foreach (var hdLightData in m_AdditionalLightDatas)
                     if (hdLightData != null)
                         hdLightData.UpdateAreaLightEmissiveMesh();