diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index ed35a74c09..5a3cff9a48 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -452,6 +452,12 @@ void GCodeViewer::refresh_render_paths()
 }
 #endif // ENABLE_RENDER_PATH_REFRESH_AFTER_OPTIONS_CHANGE
 
+void GCodeViewer::update_shells_color_by_extruder(const DynamicPrintConfig* config)
+{
+    if (config != nullptr)
+        m_shells.volumes.update_colors_by_extruder(config);
+}
+
 void GCodeViewer::reset()
 {
     m_initialized = false;
diff --git a/src/slic3r/GUI/GCodeViewer.hpp b/src/slic3r/GUI/GCodeViewer.hpp
index 2c769b2c82..8a3f620153 100644
--- a/src/slic3r/GUI/GCodeViewer.hpp
+++ b/src/slic3r/GUI/GCodeViewer.hpp
@@ -472,6 +472,7 @@ public:
 #if ENABLE_RENDER_PATH_REFRESH_AFTER_OPTIONS_CHANGE
     void refresh_render_paths();
 #endif // ENABLE_RENDER_PATH_REFRESH_AFTER_OPTIONS_CHANGE
+    void update_shells_color_by_extruder(const DynamicPrintConfig* config);
 
     void reset();
     void render() const;
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 14892d678b..ac13ec4394 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2288,8 +2288,11 @@ static void reserve_new_volume_finalize_old_volume(GLVolume& vol_new, GLVolume&
 void GLCanvas3D::load_gcode_preview(const GCodeProcessor::Result& gcode_result)
 {
     m_gcode_viewer.load(gcode_result, *this->fff_print(), m_initialized);
-    if (wxGetApp().is_editor())
+
+    if (wxGetApp().is_editor()) {
+        m_gcode_viewer.update_shells_color_by_extruder(m_config);
         _show_warning_texture_if_needed(WarningTexture::ToolpathOutside);
+    }
 }
 
 void GLCanvas3D::refresh_gcode_preview(const GCodeProcessor::Result& gcode_result, const std::vector<std::string>& str_tool_colors)