diff --git a/Assets/UniGLTF/Runtime/MeshUtility/BoneNormalizer.cs b/Assets/UniGLTF/Runtime/MeshUtility/BoneNormalizer.cs
index 5ab40f94c..830037fe7 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/BoneNormalizer.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/BoneNormalizer.cs
@@ -370,7 +370,7 @@ namespace UniGLTF.MeshUtility
                     }
                     else
                     {
-                        normals[j] = m.MultiplyVector(normals[j]) - meshNormals[j];
+                        normals[j] = m.MultiplyVector(normals[j].normalized) - meshNormals[j];
                     }
                 }
 
diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshExtensions.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshExtensions.cs
index 253906fc8..a7377bbb5 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/MeshExtensions.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshExtensions.cs
@@ -70,7 +70,7 @@ namespace UniGLTF.MeshUtility
             src.vertices = src.vertices.Select(x => m.MultiplyPoint(x)).ToArray();
             if (src.normals != null && src.normals.Length > 0)
             {
-                src.normals = src.normals.Select(x => m.MultiplyVector(x)).ToArray();
+                src.normals = src.normals.Select(x => m.MultiplyVector(x.normalized)).ToArray();
             }
             if (src.tangents != null && src.tangents.Length > 0)
             {