diff --git a/Assets/VRM/Runtime/IO/VRMMaterialDescriptorGenerator.cs b/Assets/VRM/Runtime/IO/VRMMaterialDescriptorGenerator.cs
index 69c293e9e..3a88732a7 100644
--- a/Assets/VRM/Runtime/IO/VRMMaterialDescriptorGenerator.cs
+++ b/Assets/VRM/Runtime/IO/VRMMaterialDescriptorGenerator.cs
@@ -17,7 +17,7 @@ namespace VRM
             MaterialDescriptor matDesc;
 
             // legacy "VRM/UnlitTransparentZWrite"
-            if (VRMZWriteMaterialImporter.TryCreateParam(data, m_vrm, i, out matDesc))
+            if (VRMUnlitTransparentZWriteMaterialImporter.TryCreateParam(data, m_vrm, i, out matDesc))
             {
                 return matDesc;
             }
diff --git a/Assets/VRM/Runtime/IO/VRMZWriteMaterialImporter.cs b/Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs
similarity index 97%
rename from Assets/VRM/Runtime/IO/VRMZWriteMaterialImporter.cs
rename to Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs
index 50f958982..f66806ec2 100644
--- a/Assets/VRM/Runtime/IO/VRMZWriteMaterialImporter.cs
+++ b/Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs
@@ -4,7 +4,7 @@ using VRMShaders;
 
 namespace VRM
 {
-    public static class VRMZWriteMaterialImporter
+    public static class VRMUnlitTransparentZWriteMaterialImporter
     {
         public const string ShaderName = "VRM/UnlitTransparentZWrite";
 
@@ -32,7 +32,7 @@ namespace VRM
             // use material.name, because material name may renamed in GltfParser.
             var name = data.GLTF.materials[materialIdx].name;
 
-            // 
+            //
             // import as MToon
             //
             matDesc = new MaterialDescriptor(name, MToon.Utils.ShaderName);
diff --git a/Assets/VRM/Runtime/IO/VRMZWriteMaterialImporter.cs.meta b/Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs.meta
similarity index 100%
rename from Assets/VRM/Runtime/IO/VRMZWriteMaterialImporter.cs.meta
rename to Assets/VRM/Runtime/IO/VRMUnlitTransparentZWriteMaterialImporter.cs.meta