diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 0a8db799fd..09e91840a2 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1280,7 +1280,7 @@ void Sidebar::update_all_preset_comboboxes()
         p->m_filament_icon->SetBitmap_("filament");
     }
 
-    show_add_del_filament_button(cfg.opt_bool("single_extruder_multi_material"));
+    show_SEMM_buttons(cfg.opt_bool("single_extruder_multi_material"));
 
     //p->m_staticText_filament_settings->Update();
 
@@ -1845,12 +1845,14 @@ void Sidebar::sync_ams_list()
     Layout();
 }
 
-void Sidebar::show_add_del_filament_button(bool bshow)
+void Sidebar::show_SEMM_buttons(bool bshow)
 {
     if(p->m_bpButton_add_filament)
         p->m_bpButton_add_filament->Show(bshow);
     if(p->m_bpButton_del_filament)
         p->m_bpButton_del_filament->Show(bshow);
+    if (p->m_flushing_volume_btn)
+        p->m_flushing_volume_btn->Show(bshow);
     Layout();
 }
 
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 95a08c1827..52f0706e89 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -149,7 +149,7 @@ public:
     std::map<int, DynamicPrintConfig> build_filament_ams_list(MachineObject* obj);
     void sync_ams_list();
     // Orca
-    void show_add_del_filament_button(bool bshow);
+    void show_SEMM_buttons(bool bshow);
 
     ObjectList*             obj_list();
     ObjectSettings*         obj_settings();
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 1e5384bc06..0942714fac 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -1434,7 +1434,7 @@ void Tab::on_value_change(const std::string& opt_key, const boost::any& value)
 
     if (opt_key == "single_extruder_multi_material"  ){
         const auto bSEMM = m_config->opt_bool("single_extruder_multi_material");
-        wxGetApp().sidebar().show_add_del_filament_button(bSEMM);
+        wxGetApp().sidebar().show_SEMM_buttons(bSEMM);
         wxGetApp().get_tab(Preset::TYPE_PRINT)->update();
     }