diff --git a/examples/jsm/loaders/MMDLoader.js b/examples/jsm/loaders/MMDLoader.js
index 62c1ca60980bbc..7cd05915187e74 100644
--- a/examples/jsm/loaders/MMDLoader.js
+++ b/examples/jsm/loaders/MMDLoader.js
@@ -2076,6 +2076,8 @@ class MMDToonMaterial extends ShaderMaterial {
 
 		this.isMMDToonMaterial = true;
 
+		this.type = 'MMDToonMaterial';
+
 		this._matcapCombine = AddOperation;
 		this.emissiveIntensity = 1.0;
 		this.normalMapType = TangentSpaceNormalMap;