diff --git a/xs/src/slic3r/GUI/Preset.cpp b/xs/src/slic3r/GUI/Preset.cpp
index e9487ab61..451675d8d 100644
--- a/xs/src/slic3r/GUI/Preset.cpp
+++ b/xs/src/slic3r/GUI/Preset.cpp
@@ -97,7 +97,7 @@ void PresetCollection::update_editor_ui(wxBitmapComboBox *ui)
 
     size_t      n_visible       = this->num_visible();
     size_t      n_choice        = size_t(ui->GetCount());
-    std::string name_selected   = ui->GetStringSelection().ToUTF8();
+    std::string name_selected   = ui->GetStringSelection().ToUTF8().data();
     if (boost::algorithm::iends_with(name_selected, g_suffix_modified))
         // Remove the g_suffix_modified.
         name_selected.erase(name_selected.end() - g_suffix_modified.size(), name_selected.end());
diff --git a/xs/src/slic3r/GUI/Preset.hpp b/xs/src/slic3r/GUI/Preset.hpp
index c01c5a8fb..9ee7b54ee 100644
--- a/xs/src/slic3r/GUI/Preset.hpp
+++ b/xs/src/slic3r/GUI/Preset.hpp
@@ -20,7 +20,7 @@ public:
         TYPE_PRINTER,
     };
 
-    Preset(Type type, const std::string &name, bool is_default = false) : type(type), name(name), is_default(is_default) {}
+    Preset(Type type, const std::string &name, bool is_default = false) : type(type), is_default(is_default), name(name) {}
 
     Type                type        = TYPE_INVALID;
 
@@ -54,7 +54,7 @@ public:
     DynamicPrintConfig& load(const std::vector<std::string> &keys);
 
     // Set the is_dirty flag if the provided config is different from the active one.
-    bool                set_dirty(const DynamicPrintConfig &config) { this->is_dirty = ! this->config.diff(config).empty(); }
+    void                set_dirty(const DynamicPrintConfig &config) { this->is_dirty = ! this->config.diff(config).empty(); }
     void                reset_dirty() { this->is_dirty = false; }
     bool                enable_compatible(const std::string &active_printer);
 };