diff --git a/xs/src/slic3r/GUI/Field.cpp b/xs/src/slic3r/GUI/Field.cpp
index 56d3d55d5e..fd4c5f8c9e 100644
--- a/xs/src/slic3r/GUI/Field.cpp
+++ b/xs/src/slic3r/GUI/Field.cpp
@@ -220,7 +220,7 @@ void SpinCtrl::BUILD() {
 // 		# gets the old one, and on_kill_focus resets the control to the old value.
 // 		# As a workaround, we get the new value from $event->GetString and store
 // 		# here temporarily so that we can return it from $self->get_value
-		std::string value = e.GetString().utf8_str();
+		std::string value = e.GetString().utf8_str().data();
 		if (is_matched(value, "^\\d+$"))
 			tmp_value = std::stoi(value);
 		on_change_field(e);
diff --git a/xs/src/slic3r/GUI/OptionsGroup.hpp b/xs/src/slic3r/GUI/OptionsGroup.hpp
index 3989461776..66d521f7c7 100644
--- a/xs/src/slic3r/GUI/OptionsGroup.hpp
+++ b/xs/src/slic3r/GUI/OptionsGroup.hpp
@@ -93,7 +93,7 @@ public:
     // return a non-owning pointer reference 
     inline /*const*/ Field*	get_field(t_config_option_key id) const { try { return m_fields.at(id).get(); } catch (std::out_of_range e) { return nullptr; } }
 	bool			set_value(t_config_option_key id, boost::any value) { try { m_fields.at(id)->set_value(value); return true; } catch (std::out_of_range e) { return false; } }
-	boost::any		get_value(t_config_option_key id) { try { return m_fields.at(id)->get_value(); } catch (std::out_of_range e) { ; } }
+	boost::any		get_value(t_config_option_key id) { boost::any out; try { out = m_fields.at(id)->get_value(); } catch (std::out_of_range e) { ; } return out; }
 
 	inline void		enable() { for (auto& field : m_fields) field.second->enable(); }
     inline void		disable() { for (auto& field : m_fields) field.second->disable(); }
diff --git a/xs/src/slic3r/GUI/Tab.cpp b/xs/src/slic3r/GUI/Tab.cpp
index 0732969fad..3ebcf34057 100644
--- a/xs/src/slic3r/GUI/Tab.cpp
+++ b/xs/src/slic3r/GUI/Tab.cpp
@@ -86,7 +86,7 @@ void Tab::create_preset_tab(PresetBundle *preset_bundle)
 	m_treectrl->Bind(wxEVT_COMBOBOX, &Tab::OnComboBox, this); 
 
 	m_presets_choice->Bind(wxEVT_COMBOBOX, ([this](wxCommandEvent e){
-		select_preset(m_presets_choice->wxComboBox::GetStringSelection());
+		select_preset(static_cast<const wxComboBox*>(m_presets_choice)->GetStringSelection());
 	}));
 
 	m_btn_save_preset->Bind(wxEVT_BUTTON, ([this](wxCommandEvent e){ save_preset(); }));
diff --git a/xs/src/slic3r/GUI/Tab.h b/xs/src/slic3r/GUI/Tab.h
index aa69912936..aa8008b513 100644
--- a/xs/src/slic3r/GUI/Tab.h
+++ b/xs/src/slic3r/GUI/Tab.h
@@ -135,7 +135,7 @@ public:
 
 	void		OnTreeSelChange(wxTreeEvent& event);
 	void		OnKeyDown(wxKeyEvent& event);
-	void		OnComboBox(wxCommandEvent& event) { select_preset(m_presets_choice->wxComboBox::GetStringSelection()); 	}
+	void		OnComboBox(wxCommandEvent& event) { select_preset(static_cast<const wxComboBox*>(m_presets_choice)->GetStringSelection()); 	}
 	void		save_preset(std::string name = "");
 	void		delete_preset();
 	void		toggle_show_hide_incompatible();