diff --git a/Assets/VRM/UniGLTF/Scripts/IO/MeshExporter.cs b/Assets/VRM/UniGLTF/Scripts/IO/MeshExporter.cs
index 8779b17f8..7714f455e 100644
--- a/Assets/VRM/UniGLTF/Scripts/IO/MeshExporter.cs
+++ b/Assets/VRM/UniGLTF/Scripts/IO/MeshExporter.cs
@@ -113,7 +113,8 @@ namespace UniGLTF
             var usePosition = blendShapeVertices != null && blendShapeVertices.Length > 0;
 
             var blendShapeNormals = mesh.normals;
-            var useNormal = usePosition && blendShapeNormals != null && blendShapeNormals.Length == blendShapeVertices.Length && !exportOnlyBlendShapePosition;
+            var useNormal = usePosition && blendShapeNormals != null && blendShapeNormals.Length == blendShapeVertices.Length;
+            // var useNormal = usePosition && blendShapeNormals != null && blendShapeNormals.Length == blendShapeVertices.Length && !exportOnlyBlendShapePosition;
 
             var blendShapeTangents = mesh.tangents.Select(y => (Vector3)y).ToArray();
             //var useTangent = usePosition && blendShapeTangents != null && blendShapeTangents.Length == blendShapeVertices.Length;
diff --git a/Assets/VRM/UniGLTF/Scripts/IO/MeshImporter.cs b/Assets/VRM/UniGLTF/Scripts/IO/MeshImporter.cs
index 2f7d245a0..b002072fd 100644
--- a/Assets/VRM/UniGLTF/Scripts/IO/MeshImporter.cs
+++ b/Assets/VRM/UniGLTF/Scripts/IO/MeshImporter.cs
@@ -450,7 +450,7 @@ namespace UniGLTF
                         {
                             mesh.AddBlendShapeFrame(blendShape.Name, FRAME_WEIGHT,
                                 blendShape.Positions.ToArray(),
-                                (meshContext.normals != null && meshContext.normals.Length == mesh.vertexCount && blendShape.Normals.Count() == blendShape.Positions.Count()) ? blendShape.Normals.ToArray() : null,
+                                (meshContext.normals != null && meshContext.normals.Length == mesh.vertexCount) ? blendShape.Normals.ToArray() : null,
                                 null
                                 );
                         }