diff --git a/Assets/VRM/Runtime/IO/MaterialIO/VrmMaterialExporterUtility.cs b/Assets/VRM/Runtime/IO/MaterialIO/VrmMaterialExporterUtility.cs
index 9c220c65c..396e482af 100644
--- a/Assets/VRM/Runtime/IO/MaterialIO/VrmMaterialExporterUtility.cs
+++ b/Assets/VRM/Runtime/IO/MaterialIO/VrmMaterialExporterUtility.cs
@@ -8,7 +8,7 @@ namespace VRM
         {
             return RenderPipelineUtility.GetRenderPipelineType() switch
             {
-                RenderPipelineTypes.UniversalRenderPipeline => throw new System.NotImplementedException(),
+                RenderPipelineTypes.UniversalRenderPipeline => throw new System.NotImplementedException("URP exporter not implemented"),
                 RenderPipelineTypes.BuiltinRenderPipeline => new BuiltInVrmMaterialExporter(),
                 _ => new BuiltInVrmMaterialExporter(),
             };
diff --git a/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs b/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
index e8e4cde50..9df426565 100644
--- a/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
+++ b/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
@@ -97,7 +97,7 @@ namespace VRM
                 }
             }
 
-            go.AddComponent<Animator>().avatar = newAvatar;
+            go.GetOrAddComponent<Animator>().avatar = newAvatar;
         }
 
         /// <summary>
diff --git a/Assets/VRM_Samples/RuntimeExporterSample/VRMRuntimeExporter.cs b/Assets/VRM_Samples/RuntimeExporterSample/VRMRuntimeExporter.cs
index 5744a3b55..091800880 100644
--- a/Assets/VRM_Samples/RuntimeExporterSample/VRMRuntimeExporter.cs
+++ b/Assets/VRM_Samples/RuntimeExporterSample/VRMRuntimeExporter.cs
@@ -18,6 +18,7 @@ namespace VRM.RuntimeExporterSample
             {
                 Load();
             }
+            UseNormalize = GUILayout.Toggle(UseNormalize, "UseNormalize");
 
             GUI.enabled = m_model != null;