diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
index 918935648b..918faaf47f 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
@@ -756,6 +756,7 @@ void GLGizmoMmuSegmentation::on_set_state()
     if (get_state() == Off) {
         ModelObject* mo = m_c->selection_info()->model_object();
         if (mo) Slic3r::save_object_mesh(*mo);
+        m_parent.post_event(SimpleEvent(EVT_GLCANVAS_FORCE_UPDATE));
     }
 }