diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index 3eb174694..744275e22 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -2293,9 +2293,9 @@ void _3DScene::load_preview(wxGLCanvas* canvas, const std::vector<std::string>&
     s_canvas_mgr.load_preview(canvas, str_tool_colors);
 }
 
-void _3DScene::reset_legend_texture()
+void _3DScene::reset_legend_texture(wxGLCanvas* canvas)
 {
-    s_canvas_mgr.reset_legend_texture();
+    s_canvas_mgr.reset_legend_texture(canvas);
 }
 
 } // namespace Slic3r
diff --git a/src/slic3r/GUI/3DScene.hpp b/src/slic3r/GUI/3DScene.hpp
index 484d6028d..a5f4c5189 100644
--- a/src/slic3r/GUI/3DScene.hpp
+++ b/src/slic3r/GUI/3DScene.hpp
@@ -602,7 +602,7 @@ public:
     static void load_gcode_preview(wxGLCanvas* canvas, const GCodePreviewData* preview_data, const std::vector<std::string>& str_tool_colors);
     static void load_preview(wxGLCanvas* canvas, const std::vector<std::string>& str_tool_colors);
 
-    static void reset_legend_texture();
+    static void reset_legend_texture(wxGLCanvas* canvas);
 
     static void thick_lines_to_verts(const Lines& lines, const std::vector<double>& widths, const std::vector<double>& heights, bool closed, double top_z, GLVolume& volume);
     static void thick_lines_to_verts(const Lines3& lines, const std::vector<double>& widths, const std::vector<double>& heights, bool closed, GLVolume& volume);
diff --git a/src/slic3r/GUI/GLCanvas3DManager.cpp b/src/slic3r/GUI/GLCanvas3DManager.cpp
index 09821f853..771aa159e 100644
--- a/src/slic3r/GUI/GLCanvas3DManager.cpp
+++ b/src/slic3r/GUI/GLCanvas3DManager.cpp
@@ -580,13 +580,11 @@ void GLCanvas3DManager::load_preview(wxGLCanvas* canvas, const std::vector<std::
         it->second->load_preview(str_tool_colors);
 }
 
-void GLCanvas3DManager::reset_legend_texture()
+void GLCanvas3DManager::reset_legend_texture(wxGLCanvas* canvas)
 {
-    for (CanvasesMap::value_type& canvas : m_canvases)
-    {
-        if (canvas.second != nullptr)
-            canvas.second->reset_legend_texture();
-    }
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->reset_legend_texture();
 }
 
 void GLCanvas3DManager::register_on_viewport_changed_callback(wxGLCanvas* canvas, void* callback)
diff --git a/src/slic3r/GUI/GLCanvas3DManager.hpp b/src/slic3r/GUI/GLCanvas3DManager.hpp
index 452584550..d3b7b177c 100644
--- a/src/slic3r/GUI/GLCanvas3DManager.hpp
+++ b/src/slic3r/GUI/GLCanvas3DManager.hpp
@@ -154,7 +154,7 @@ public:
     void load_gcode_preview(wxGLCanvas* canvas, const GCodePreviewData* preview_data, const std::vector<std::string>& str_tool_colors);
     void load_preview(wxGLCanvas* canvas, const std::vector<std::string>& str_tool_colors);
 
-    void reset_legend_texture();
+    void reset_legend_texture(wxGLCanvas* canvas);
 
     void register_on_viewport_changed_callback(wxGLCanvas* canvas, void* callback);
     void register_on_double_click_callback(wxGLCanvas* canvas, void* callback);
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index c70a6080c..fc3d362e9 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -214,7 +214,8 @@ void Preview::set_number_extruders(unsigned int number_extruders)
 void Preview::reset_gcode_preview_data()
 {
     m_gcode_preview_data->reset();
-    _3DScene::reset_legend_texture();
+    if (m_canvas != nullptr)
+        _3DScene::reset_legend_texture(m_canvas);
 }
 
 void Preview::set_canvas_as_dirty()
@@ -290,10 +291,11 @@ void Preview::load_print()
     if (n_layers == 0)
     {
         reset_sliders();
-        _3DScene::reset_legend_texture();
-        if (m_canvas)
+        if (m_canvas != nullptr)
+        {
+            _3DScene::reset_legend_texture(m_canvas);
             m_canvas->Refresh();
-
+        }
         return;
     }