diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index 679a30e72..5f655dec8 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -2258,6 +2258,7 @@ void GCodeViewer::render_legend() const
                     m_extrusions.role_visibility_flags = visible ? m_extrusions.role_visibility_flags & ~(1 << role) : m_extrusions.role_visibility_flags | (1 << role);
                     // update buffers' render paths
                     refresh_render_paths(false, false);
+                    wxGetApp().plater()->update_preview_moves_slider();
                     wxGetApp().plater()->get_current_canvas3D()->set_as_dirty();
                     wxGetApp().plater()->update_preview_bottom_toolbar();
                 }