diff --git a/xs/src/slic3r/GUI/Preset.cpp b/xs/src/slic3r/GUI/Preset.cpp
index 71a2bb6a5..412895eeb 100644
--- a/xs/src/slic3r/GUI/Preset.cpp
+++ b/xs/src/slic3r/GUI/Preset.cpp
@@ -209,12 +209,9 @@ void Preset::normalize(DynamicPrintConfig &config)
     }
 }
 
-// Load a config file, return a C++ class Slic3r::DynamicPrintConfig with $keys initialized from the config file.
-// In case of a "default" config item, return the default values.
-DynamicPrintConfig& Preset::load(const std::vector<std::string> &keys)
+DynamicPrintConfig& Preset::load(const std::vector<std::string> &keys, const StaticPrintConfig &defaults)
 {
     // Set the configuration from the defaults.
-    Slic3r::FullPrintConfig defaults;
     this->config.apply_only(defaults, keys.empty() ? defaults.keys() : keys);
     if (! this->is_default) {
         // Load the preset file, apply preset values on top of defaults.
@@ -396,7 +393,7 @@ const std::vector<std::string>& Preset::sla_material_options()
     return s_opts;
 }
 
-PresetCollection::PresetCollection(Preset::Type type, const std::vector<std::string> &keys, const std::string &default_name) :
+PresetCollection::PresetCollection(Preset::Type type, const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &default_name) :
     m_type(type),
     m_edited_preset(type, "", false),
     m_idx_selected(0),
@@ -404,8 +401,7 @@ PresetCollection::PresetCollection(Preset::Type type, const std::vector<std::str
 	m_bitmap_cache(new GUI::BitmapCache)
 {
     // Insert just the default preset.
-    this->add_default_preset(keys, default_name);
-    m_presets.front().load(keys);
+    this->add_default_preset(keys, defaults, default_name);
     m_edited_preset.config.apply(m_presets.front().config);
 }
 
@@ -432,11 +428,11 @@ void PresetCollection::reset(bool delete_files)
     }
 }
 
-void PresetCollection::add_default_preset(const std::vector<std::string> &keys, const std::string &preset_name)
+void PresetCollection::add_default_preset(const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &preset_name)
 {
     // Insert just the default preset.
     m_presets.emplace_back(Preset(this->type(), preset_name, true));
-    m_presets.back().load(keys);
+    m_presets.back().load(keys, defaults);
     ++ m_num_default_presets;
 }
 
@@ -462,7 +458,8 @@ void PresetCollection::load_presets(const std::string &dir_path, const std::stri
             try {
                 Preset preset(m_type, name, false);
                 preset.file = dir_entry.path().string();
-                preset.load(keys);
+                //FIXME One should initialize with SLAFullPrintConfig for the SLA profiles!
+                preset.load(keys, static_cast<const HostConfig&>(FullPrintConfig::defaults()));
                 m_presets.emplace_back(preset);
             } catch (const std::runtime_error &err) {
                 errors_cummulative += err.what();
diff --git a/xs/src/slic3r/GUI/Preset.hpp b/xs/src/slic3r/GUI/Preset.hpp
index 86356f5b7..d1a406321 100644
--- a/xs/src/slic3r/GUI/Preset.hpp
+++ b/xs/src/slic3r/GUI/Preset.hpp
@@ -125,8 +125,7 @@ public:
     DynamicPrintConfig  config;
 
     // Load this profile for the following keys only.
-    // Throws std::runtime_error in case the file cannot be read.
-    DynamicPrintConfig& load(const std::vector<std::string> &keys);
+    DynamicPrintConfig& load(const std::vector<std::string> &keys, const StaticPrintConfig &defaults);
 
     void                save();
 
@@ -194,7 +193,7 @@ class PresetCollection
 {
 public:
     // Initialize the PresetCollection with the "- default -" preset.
-    PresetCollection(Preset::Type type, const std::vector<std::string> &keys, const std::string &default_name = "- default -");
+    PresetCollection(Preset::Type type, const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &default_name = "- default -");
     ~PresetCollection();
 
     typedef std::deque<Preset>::iterator Iterator;
@@ -211,7 +210,7 @@ public:
     const std::deque<Preset>& operator()() const { return m_presets; }
 
     // Add default preset at the start of the collection, increment the m_default_preset counter.
-    void            add_default_preset(const std::vector<std::string> &keys, const std::string &preset_name);
+    void            add_default_preset(const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &preset_name);
 
     // Load ini files of the particular type from the provided directory path.
     void            load_presets(const std::string &dir_path, const std::string &subdir);
diff --git a/xs/src/slic3r/GUI/PresetBundle.cpp b/xs/src/slic3r/GUI/PresetBundle.cpp
index 7047841be..dc40ced3b 100644
--- a/xs/src/slic3r/GUI/PresetBundle.cpp
+++ b/xs/src/slic3r/GUI/PresetBundle.cpp
@@ -40,10 +40,10 @@ static std::vector<std::string> s_project_options {
 };
 
 PresetBundle::PresetBundle() :
-    prints(Preset::TYPE_PRINT, Preset::print_options()), 
-    filaments(Preset::TYPE_FILAMENT, Preset::filament_options()), 
-    sla_materials(Preset::TYPE_SLA_MATERIAL, Preset::sla_material_options()), 
-    printers(Preset::TYPE_PRINTER, Preset::printer_options(), "- default FFF -"),
+    prints(Preset::TYPE_PRINT, Preset::print_options(), static_cast<const HostConfig&>(FullPrintConfig::defaults())), 
+    filaments(Preset::TYPE_FILAMENT, Preset::filament_options(), static_cast<const HostConfig&>(FullPrintConfig::defaults())), 
+    sla_materials(Preset::TYPE_SLA_MATERIAL, Preset::sla_material_options(), static_cast<const SLAMaterialConfig&>(SLAFullPrintConfig::defaults())), 
+    printers(Preset::TYPE_PRINTER, Preset::printer_options(), static_cast<const HostConfig&>(FullPrintConfig::defaults()), "- default FFF -"),
     m_bitmapCompatible(new wxBitmap),
     m_bitmapIncompatible(new wxBitmap),
     m_bitmapLock(new wxBitmap),
@@ -74,7 +74,7 @@ PresetBundle::PresetBundle() :
     this->sla_materials.default_preset().compatible_printers_condition();
     this->sla_materials.default_preset().inherits();
 
-    this->printers.add_default_preset(Preset::sla_printer_options(), "- default SLA -");
+    this->printers.add_default_preset(Preset::sla_printer_options(), static_cast<const SLAMaterialConfig&>(SLAFullPrintConfig::defaults()), "- default SLA -");
     this->printers.preset(1).printer_technology() = ptSLA;
     for (size_t i = 0; i < 2; ++ i) {
         Preset &preset = this->printers.preset(i);
@@ -419,7 +419,7 @@ DynamicPrintConfig PresetBundle::full_config() const
 DynamicPrintConfig PresetBundle::full_fff_config() const
 {    
     DynamicPrintConfig out;
-    out.apply(FullPrintConfig());
+    out.apply(FullPrintConfig::defaults());
     out.apply(this->prints.get_edited_preset().config);
     // Add the default filament preset to have the "filament_preset_id" defined.
 	out.apply(this->filaments.default_preset().config);
@@ -514,7 +514,7 @@ DynamicPrintConfig PresetBundle::full_fff_config() const
 DynamicPrintConfig PresetBundle::full_sla_config() const
 {    
     DynamicPrintConfig out;
-    out.apply(SLAFullPrintConfig());
+    out.apply(SLAFullPrintConfig::defaults());
     out.apply(this->sla_materials.get_edited_preset().config);
     out.apply(this->printers.get_edited_preset().config);
     // There are no project configuration values as of now, the project_config is reserved for FFF printers.