diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 625335de62..ee4bc4e463 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -1011,8 +1011,10 @@ public:
     // What type? bool, int, string etc.
     ConfigOptionType                    type            = coNone;
     // Default value of this option. The default value object is owned by ConfigDef, it is released in its destructor.
-    Slic3r::clonable_ptr<const ConfigOption> default_value   = nullptr;
+    Slic3r::clonable_ptr<const ConfigOption> default_value;
     void set_default_value(const ConfigOption* ptr) { this->default_value = Slic3r::clonable_ptr<const ConfigOption>(ptr); }
+    template<typename T>
+    const T* get_default_value() const { return static_cast<const T*>(this->default_value.get()); }
 
     // Usually empty. 
     // Special values - "i_enum_open", "f_enum_open" to provide combo box for int or float selection,
diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index bd45104c4c..4fbaa45637 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -544,14 +544,12 @@ PageDiameters::PageDiameters(ConfigWizard *parent)
 {
     spin_nozzle->SetDigits(2);
     spin_nozzle->SetIncrement(0.1);
-    const auto &def_nozzle = *print_config_def.get("nozzle_diameter");
-    auto *default_nozzle = dynamic_cast<const ConfigOptionFloats*>(def_nozzle.default_value.get());
+    auto *default_nozzle = print_config_def.get("nozzle_diameter")->get_default_value<ConfigOptionFloats>();
     spin_nozzle->SetValue(default_nozzle != nullptr && default_nozzle->size() > 0 ? default_nozzle->get_at(0) : 0.5);
 
     spin_filam->SetDigits(2);
     spin_filam->SetIncrement(0.25);
-    const auto &def_filam = *print_config_def.get("filament_diameter");
-    auto *default_filam = dynamic_cast<const ConfigOptionFloats*>(def_filam.default_value.get());
+    auto *default_filam = print_config_def.get("filament_diameter")->get_default_value<ConfigOptionFloats>();
     spin_filam->SetValue(default_filam != nullptr && default_filam->size() > 0 ? default_filam->get_at(0) : 3.0);
 
     append_text(_(L("Enter the diameter of your printer's hot end nozzle.")));
@@ -596,13 +594,13 @@ PageTemperatures::PageTemperatures(ConfigWizard *parent)
     spin_extr->SetIncrement(5.0);
     const auto &def_extr = *print_config_def.get("temperature");
     spin_extr->SetRange(def_extr.min, def_extr.max);
-    auto *default_extr = dynamic_cast<const ConfigOptionInts*>(def_extr.default_value.get());
+    auto *default_extr = def_extr.get_default_value<ConfigOptionInts>();
     spin_extr->SetValue(default_extr != nullptr && default_extr->size() > 0 ? default_extr->get_at(0) : 200);
 
     spin_bed->SetIncrement(5.0);
     const auto &def_bed = *print_config_def.get("bed_temperature");
     spin_bed->SetRange(def_bed.min, def_bed.max);
-    auto *default_bed = dynamic_cast<const ConfigOptionInts*>(def_bed.default_value.get());
+    auto *default_bed = def_bed.get_default_value<ConfigOptionInts>();
     spin_bed->SetValue(default_bed != nullptr && default_bed->size() > 0 ? default_bed->get_at(0) : 0);
 
     append_text(_(L("Enter the temperature needed for extruding your filament.")));
diff --git a/src/slic3r/GUI/Field.cpp b/src/slic3r/GUI/Field.cpp
index 02f58667c3..5e06efa29e 100644
--- a/src/slic3r/GUI/Field.cpp
+++ b/src/slic3r/GUI/Field.cpp
@@ -203,7 +203,7 @@ void TextCtrl::BUILD() {
 	case coFloatOrPercent:
 	{
 		text_value = double_to_string(m_opt.default_value->getFloat());
-		if (static_cast<const ConfigOptionFloatOrPercent*>(m_opt.default_value.get())->percent)
+		if (m_opt.get_default_value<ConfigOptionFloatOrPercent>()->percent)
 			text_value += "%";
 		break;
 	}
@@ -218,19 +218,19 @@ void TextCtrl::BUILD() {
 	case coFloat:
 	{
 		double val = m_opt.type == coFloats ?
-			static_cast<const ConfigOptionFloats*>(m_opt.default_value.get())->get_at(m_opt_idx) :
+			m_opt.get_default_value<ConfigOptionFloats>()->get_at(m_opt_idx) :
 			m_opt.type == coFloat ? 
 				m_opt.default_value->getFloat() :
-				static_cast<const ConfigOptionPercents*>(m_opt.default_value.get())->get_at(m_opt_idx);
+				m_opt.get_default_value<ConfigOptionPercents>()->get_at(m_opt_idx);
 		text_value = double_to_string(val);
 		break;
 	}
 	case coString:			
-		text_value = static_cast<const ConfigOptionString*>(m_opt.default_value.get())->value;
+		text_value = m_opt.get_default_value<ConfigOptionString>()->value;
 		break;
 	case coStrings:
 	{
-		const ConfigOptionStrings *vec = static_cast<const ConfigOptionStrings*>(m_opt.default_value.get());
+		const ConfigOptionStrings *vec = m_opt.get_default_value<ConfigOptionStrings>();
 		if (vec == nullptr || vec->empty()) break; //for the case of empty default value
 		text_value = vec->get_at(m_opt_idx);
 		break;
@@ -373,8 +373,8 @@ void CheckBox::BUILD() {
 
 	bool check_value =	m_opt.type == coBool ? 
 						m_opt.default_value->getBool() : m_opt.type == coBools ? 
-						static_cast<const ConfigOptionBools*>(m_opt.default_value.get())->get_at(m_opt_idx) : 
-    					false;
+							m_opt.get_default_value<ConfigOptionBools>()->get_at(m_opt_idx) : 
+    						false;
 
 	// Set Label as a string of at least one space simbol to correct system scaling of a CheckBox 
 	auto temp = new wxCheckBox(m_parent, wxID_ANY, wxString(" "), wxDefaultPosition, size); 
@@ -427,7 +427,7 @@ void SpinCtrl::BUILD() {
 		break;
 	case coInts:
 	{
-		const ConfigOptionInts *vec = static_cast<const ConfigOptionInts*>(m_opt.default_value.get());
+		const ConfigOptionInts *vec = m_opt.get_default_value<ConfigOptionInts>();
 		if (vec == nullptr || vec->empty()) break;
 		for (size_t id = 0; id < vec->size(); ++id)
 		{
@@ -629,7 +629,7 @@ void Choice::set_selection()
 		break;
 	}
 	case coEnum:{
-		int id_value = static_cast<const ConfigOptionEnum<SeamPosition>*>(m_opt.default_value.get())->value; //!!
+		int id_value = m_opt.get_default_value<ConfigOptionEnum<SeamPosition>>()->value; //!!
         field->SetSelection(id_value);
 		break;
 	}
@@ -649,7 +649,7 @@ void Choice::set_selection()
 		break;
 	}
 	case coStrings:{
-		text_value = static_cast<const ConfigOptionStrings*>(m_opt.default_value.get())->get_at(m_opt_idx);
+		text_value = m_opt.get_default_value<ConfigOptionStrings>()->get_at(m_opt_idx);
 
 		size_t idx = 0;
 		for (auto el : m_opt.enum_values)
@@ -886,7 +886,7 @@ void ColourPicker::BUILD()
     if (m_opt.width >= 0) size.SetWidth(m_opt.width*m_em_unit);
 
 	// Validate the color
-	wxString clr_str(static_cast<const ConfigOptionStrings*>(m_opt.default_value.get())->get_at(m_opt_idx));
+	wxString clr_str(m_opt.get_default_value<ConfigOptionStrings>()->get_at(m_opt_idx));
 	wxColour clr(clr_str);
 	if (! clr.IsOk()) {
 		clr = wxTransparentColour;
@@ -920,7 +920,7 @@ void PointCtrl::BUILD()
 
     const wxSize field_size(4 * m_em_unit, -1);
 
-	auto default_pt = static_cast<const ConfigOptionPoints*>(m_opt.default_value.get())->values.at(0);
+	auto default_pt = m_opt.get_default_value<ConfigOptionPoints>()->values.at(0);
 	double val = default_pt(0);
 	wxString X = val - int(val) == 0 ? wxString::Format(_T("%i"), int(val)) : wxNumberFormatter::ToString(val, 2, wxNumberFormatter::Style_None);
 	val = default_pt(1);
@@ -1019,7 +1019,7 @@ void StaticText::BUILD()
     if (m_opt.height >= 0) size.SetHeight(m_opt.height*m_em_unit);
     if (m_opt.width >= 0) size.SetWidth(m_opt.width*m_em_unit);
 
-    const wxString legend(static_cast<const ConfigOptionString*>(m_opt.default_value.get())->value);
+    const wxString legend(m_opt.get_default_value<ConfigOptionString>()->value);
     auto temp = new wxStaticText(m_parent, wxID_ANY, legend, wxDefaultPosition, size, wxST_ELLIPSIZE_MIDDLE);
 	temp->SetFont(Slic3r::GUI::wxGetApp().normal_font());
 	temp->SetBackgroundStyle(wxBG_STYLE_PAINT);
@@ -1054,7 +1054,7 @@ void SliderCtrl::BUILD()
 
 	auto temp = new wxBoxSizer(wxHORIZONTAL);
 
-	auto def_val = static_cast<const ConfigOptionInt*>(m_opt.default_value.get())->value;
+	auto def_val = m_opt.get_default_value<ConfigOptionInt>()->value;
 	auto min = m_opt.min == INT_MIN ? 0 : m_opt.min;
 	auto max = m_opt.max == INT_MAX ? 100 : m_opt.max;