diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 966fb7c8e..32d68b3ed 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -143,6 +143,9 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_S
     wxGetApp().persist_window_geometry(this, true);
 
     update_ui_from_settings();    // FIXME (?)
+
+    if (m_plater != nullptr)
+        m_plater->show_action_buttons(true);
 }
 
 void MainFrame::update_title()
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index cd6a6919a..1e13bf3af 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -5591,6 +5591,7 @@ void Plater::suppress_background_process(const bool stop_background_process)
 void Plater::fix_through_netfabb(const int obj_idx, const int vol_idx/* = -1*/) { p->fix_through_netfabb(obj_idx, vol_idx); }
 
 void Plater::update_object_menu() { p->update_object_menu(); }
+void Plater::show_action_buttons(const bool is_ready_to_slice) const { p->show_action_buttons(is_ready_to_slice); }
 
 void Plater::copy_selection_to_clipboard()
 {
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 2e4f2ca85..249e0a043 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -239,6 +239,7 @@ public:
     std::vector<std::string> get_colors_for_color_print() const;
 
     void update_object_menu();
+    void show_action_buttons(const bool is_ready_to_slice) const;
 
     wxString get_project_filename(const wxString& extension = wxEmptyString) const;
     void set_project_filename(const wxString& filename);