diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
index 572c95e1a..2b9e3eaf0 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshFreezer.cs
@@ -150,6 +150,7 @@ namespace UniGLTF.MeshUtility
             // memo: BakeMesh(mesh, useScale) という第２引数がある
             src.BakeMesh(mesh);
             BakeBlendShapes(src, mesh);
+            mesh.boneWeights = src.sharedMesh.boneWeights;
 
             // apply SkinnedMesh.transform rotation
             var m = Matrix4x4.TRS(Vector3.zero, src.transform.rotation, Vector3.one);