diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index d3d5320c1..1620df8de 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2248,9 +2248,12 @@ void GLCanvas3D::Selection::_ensure_on_bed()
     for (unsigned int i : m_list)
     {
         GLVolume* volume = (*m_volumes)[i];
-        double min_z = volume->transformed_convex_hull_bounding_box().min(2);
-        if (min_z != 0.0)
-            volume->set_instance_offset(Z, volume->get_instance_offset(Z) - min_z);
+        if (!volume->is_modifier)
+        {
+            double min_z = volume->transformed_convex_hull_bounding_box().min(2);
+            if (min_z != 0.0)
+                volume->set_instance_offset(Z, volume->get_instance_offset(Z) - min_z);
+        }
     }
 }
 #endif // ENABLE_ENSURE_ON_BED_WHILE_SCALING
diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 0d70a7ae5..06f1907d8 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -814,6 +814,7 @@ void ObjectList::load_generic_subobject(const std::string& type_name, const int
     new_volume->set_type(static_cast<ModelVolume::Type>(type));
 
 #if ENABLE_MODELVOLUME_TRANSFORM
+    new_volume->set_offset((*m_objects)[obj_idx]->origin_translation + Vec3d(0.0, 0.0, -mesh.stl.stats.min(2)));
     new_volume->center_geometry();
 #endif // ENABLE_MODELVOLUME_TRANSFORM