diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 869f48a01..d42bc26dc 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -5137,7 +5137,8 @@ void GLCanvas3D::_render_objects(GLVolumeCollection::ERenderType type)
                 GLGizmosManager::EType type = gm.get_current_type();
                 if (type == GLGizmosManager::FdmSupports
                     || type == GLGizmosManager::Seam
-                    || type == GLGizmosManager::MmuSegmentation) {
+                    || type == GLGizmosManager::MmuSegmentation 
+                    || type == GLGizmosManager::Simplify ) {
                     shader->stop_using();
                     gm.render_painter_gizmo();
                     shader->start_using();
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
index 2f7df2395..1ae422b82 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.cpp
@@ -358,6 +358,10 @@ void GLGizmoSimplify::on_set_state()
     }
 }
 
+void GLGizmoSimplify::render_painter_gizmo() const {
+
+}
+
 void GLGizmoSimplify::create_gui_cfg() { 
     if (m_gui_cfg.has_value()) return;
     int space_size = m_imgui->calc_text_size(":MM").x;
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.hpp b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.hpp
index 8ed725cde..eb6058eb0 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSimplify.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSimplify.hpp
@@ -4,6 +4,7 @@
 // Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code,
 // which overrides our localization "L" macro.
 #include "GLGizmoBase.hpp"
+#include "GLGizmoPainterBase.hpp" // for render wireframe
 #include "admesh/stl.h" // indexed_triangle_set
 #include <thread>
 #include <optional>
@@ -16,7 +17,7 @@ class ModelVolume;
 namespace GUI {
 
 
-class GLGizmoSimplify : public GLGizmoBase
+class GLGizmoSimplify : public GLGizmoPainterBase // GLGizmoBase
 {    
 public:
     GLGizmoSimplify(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
@@ -31,6 +32,8 @@ protected:
     virtual bool on_is_selectable() const override { return false; }
     virtual void on_set_state() override;
 
+    // render wire frame
+    virtual void render_painter_gizmo() const override;
 private:
     void after_apply();
     void close();