diff --git a/src/libslic3r/GCode/ToolOrdering.cpp b/src/libslic3r/GCode/ToolOrdering.cpp
index 9926a03394..48dd2b48b5 100644
--- a/src/libslic3r/GCode/ToolOrdering.cpp
+++ b/src/libslic3r/GCode/ToolOrdering.cpp
@@ -979,8 +979,9 @@ std::vector<int> ToolOrdering::get_recommended_filament_maps(const std::vector<s
                 used_colors.emplace_back(print_config->filament_colour.get_at(used_filaments[idx]));
 
             auto ams_filament_info = print->get_extruder_filament_info();
-            std::vector<std::vector<std::string>> ams_colors;
-            for (auto& arr : ams_filament_info) {
+            std::vector<std::vector<std::string>> ams_colors(extruder_nums);
+            for (size_t i = 0; i < ams_filament_info.size(); ++i) {
+                auto& arr = ams_filament_info[i];
                 std::vector<std::string>colors;
                 for (auto& item : arr)
                     colors.emplace_back(item.option<ConfigOptionStrings>("filament_colour")->get_at(0));
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 9c4885fd2d..e852243abd 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -2808,6 +2808,7 @@ struct Plater::priv
         return false;
 #endif
     }
+    std::vector<std::vector<DynamicPrintConfig>> get_extruder_filament_info();
     void update_print_volume_state();
     void schedule_background_process();
     // Update background processing thread from the current config and Model.
@@ -5500,6 +5501,24 @@ void Plater::priv::schedule_background_process()
     this->view3D->get_canvas3d()->set_config(this->config);
 }
 
+std::vector<std::vector<DynamicPrintConfig>> Plater::priv::get_extruder_filament_info()
+{
+    std::vector<std::vector<DynamicPrintConfig>> filament_infos;
+    DeviceManager *dev = Slic3r::GUI::wxGetApp().getDeviceManager();
+    if (!dev)
+        return filament_infos;
+
+    MachineObject *obj_ = dev->get_selected_machine();
+    if (obj_ == nullptr)
+        return filament_infos;
+
+    if (!obj_->is_multi_extruders())
+        return filament_infos;
+
+    filament_infos = wxGetApp().preset_bundle->get_extruder_filament_info();
+    return filament_infos;
+}
+
 void Plater::priv::update_print_volume_state()
 {
     //BBS: use the plate's bounding box instead of the bed's
@@ -5589,7 +5608,7 @@ unsigned int Plater::priv::update_background_process(bool force_validation, bool
         PartPlate* cur_plate = background_process.get_current_plate();
         std::vector<int> f_maps = cur_plate->get_filament_maps();
         invalidated = background_process.apply(this->model, wxGetApp().preset_bundle->full_config(false, f_maps));
-        background_process.fff_print()->set_extruder_filament_info(wxGetApp().preset_bundle->get_extruder_filament_info());
+        background_process.fff_print()->set_extruder_filament_info(get_extruder_filament_info());
     }
     else
         invalidated = background_process.apply(this->model, wxGetApp().preset_bundle->full_config(false));