diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 80971189b..c61ae0482 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -5041,6 +5041,15 @@ void ObjectList::apply_object_instance_transfrom_to_all_volumes(ModelObject *mod
     const Geometry::Transformation &instance_transformation  = model_object->instances[0]->get_transformation();
     Vec3d                           original_instance_center = instance_transformation.get_offset();
 
+    // apply the instance_transform(except offset) to assemble_transform
+    Geometry::Transformation instance_transformation_copy = instance_transformation;
+    instance_transformation_copy.set_offset(Vec3d(0, 0, 0)); // remove the effect of offset
+    const Transform3d & instance_inverse_matrix = instance_transformation_copy.get_matrix().inverse();
+    const Transform3d & assemble_matrix = model_object->instances[0]->get_assemble_transformation().get_matrix();
+    Transform3d new_assemble_transform = assemble_matrix * instance_inverse_matrix;
+    model_object->instances[0]->set_assemble_from_transform(new_assemble_transform);
+
+    // apply the instance_transform to volumn
     const Transform3d &transformation_matrix = instance_transformation.get_matrix();
     for (ModelVolume *volume : model_object->volumes) {
         const Transform3d &volume_matrix = volume->get_matrix();