diff --git a/Assets/VRM10/Runtime/IO/Material/URP/Import/Materials/UrpVrm10MToonMaterialImporter.cs b/Assets/VRM10/Runtime/IO/Material/URP/Import/Materials/UrpVrm10MToonMaterialImporter.cs
index 0c5696704..d55eb9588 100644
--- a/Assets/VRM10/Runtime/IO/Material/URP/Import/Materials/UrpVrm10MToonMaterialImporter.cs
+++ b/Assets/VRM10/Runtime/IO/Material/URP/Import/Materials/UrpVrm10MToonMaterialImporter.cs
@@ -27,7 +27,7 @@ namespace UniVRM10
             // use material.name, because material name may renamed in GltfParser.
             matDesc = new MaterialDescriptor(
                 m.name,
-                Shader.Find(MToon10Meta.URPUnityShaderName),
+                Shader.Find(MToon10Meta.UnityUrpShaderName),
                 null,
                 Vrm10MToonTextureImporter.EnumerateAllTextures(data, m, mtoon).ToDictionary(tuple => tuple.key, tuple => tuple.Item2.Item2),
                 BuiltInVrm10MToonMaterialImporter.TryGetAllFloats(m, mtoon).ToDictionary(tuple => tuple.key, tuple => tuple.value),