diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 3b40979f3a..e9090e9c3b 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3764,12 +3764,6 @@ void GLCanvas3D::render()
 
     _camera_tranform();
 
-    if (m_use_clipping_planes)
-    {
-        ::glClipPlane(GL_CLIP_PLANE0, (GLdouble*)m_clipping_planes[0].get_data());
-        ::glClipPlane(GL_CLIP_PLANE1, (GLdouble*)m_clipping_planes[1].get_data());
-    }
-
     GLfloat position_cam[4] = { 1.0f, 0.0f, 1.0f, 0.0f };
     ::glLightfv(GL_LIGHT1, GL_POSITION, position_cam);
     GLfloat position_top[4] = { -0.5f, -0.5f, 1.0f, 0.0f };
@@ -5725,7 +5719,9 @@ void GLCanvas3D::_render_objects() const
     {
         if (m_use_clipping_planes)
         {
+            ::glClipPlane(GL_CLIP_PLANE0, (GLdouble*)m_clipping_planes[0].get_data());
             ::glEnable(GL_CLIP_PLANE0);
+            ::glClipPlane(GL_CLIP_PLANE1, (GLdouble*)m_clipping_planes[1].get_data());
             ::glEnable(GL_CLIP_PLANE1);
         }
 
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index da46cae3f3..f9b78cc272 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -670,8 +670,8 @@ void Preview::on_sliders_scroll_changed(wxEvent& event)
         }
         else if (tech == ptSLA)
         {
-            m_canvas->set_clipping_plane(0, GLCanvas3D::ClippingPlane(Vec3d(0.0, 0.0, 1.0), m_slider->GetLowerValueD() - 1e-6));
-            m_canvas->set_clipping_plane(1, GLCanvas3D::ClippingPlane(Vec3d(0.0, 0.0, -1.0), m_slider->GetHigherValueD() + 1e-6));
+            m_canvas->set_clipping_plane(0, GLCanvas3D::ClippingPlane(Vec3d::UnitZ(), -(m_slider->GetLowerValueD() - 1e-6)));
+            m_canvas->set_clipping_plane(1, GLCanvas3D::ClippingPlane(-Vec3d::UnitZ(), m_slider->GetHigherValueD() + 1e-6));
             m_canvas->set_use_clipping_planes(m_slider->GetHigherValue() != 0);
             m_canvas_widget->Refresh();
         }