diff --git a/include/characteristic/characteristic.hpp b/include/characteristic/characteristic.hpp
index 8e854db..2567303 100644
--- a/include/characteristic/characteristic.hpp
+++ b/include/characteristic/characteristic.hpp
@@ -17,9 +17,19 @@ namespace character::characteristic {
 	public:
 		Characteristic() noexcept = default;
 
-		Characteristic(const std::uint32_t base, const std::uint32_t carac, const std::uint32_t materiel, const std::uint32_t additional) :
+		Characteristic(const std::uint32_t base, const std::uint32_t carac, const std::uint32_t materiel, const std::uint32_t additional) noexcept:
 				base(base), carac(carac), materiel(materiel), additional(additional) {}
 
+		Characteristic(const Characteristic &charac) noexcept = default;
+
+		Characteristic &operator=(const Characteristic &charac) noexcept {
+			const_cast<std::uint32_t &>(base) = charac.base;
+			carac = charac.carac;
+			materiel = charac.materiel;
+			additional = charac.additional;
+			return *this;
+		}
+
 		virtual ~Characteristic() noexcept = default;
 
 		[[nodiscard]] std::uint32_t get_base() const { return base; }
diff --git a/include/controller.hpp b/include/controller.hpp
index 7df617d..fdc2696 100644
--- a/include/controller.hpp
+++ b/include/controller.hpp
@@ -12,12 +12,12 @@ namespace gui::menu {
 class Controller final {
 private:
 	character::CharacterSheet &sheet;
-	const gui::menu::MenuData &menu_data;
+	gui::menu::MenuData &menu_data;
 
 public:
 	Controller() = delete;
 
-	explicit Controller(character::CharacterSheet &sheet, const gui::menu::MenuData &menuData) : sheet(sheet), menu_data(menuData) {}
+	explicit Controller(character::CharacterSheet &sheet, gui::menu::MenuData &menuData) : sheet(sheet), menu_data(menuData) {}
 
 	~Controller() noexcept = default;
 
diff --git a/include/gui/gui.hpp b/include/gui/gui.hpp
index 999fb27..0273aad 100644
--- a/include/gui/gui.hpp
+++ b/include/gui/gui.hpp
@@ -3,10 +3,11 @@
 
 #include <filesystem>
 #include "gui/menu/menu.hpp"
-#include "controller.hpp"
 
 namespace fs = std::filesystem;
 
+class Controller;
+
 namespace gui {
 
 	class GuiData;
diff --git a/include/gui/menu/menu_data.hpp b/include/gui/menu/menu_data.hpp
index e46bd7e..19a1efd 100644
--- a/include/gui/menu/menu_data.hpp
+++ b/include/gui/menu/menu_data.hpp
@@ -36,9 +36,9 @@ namespace gui::menu {
 
 		[[nodiscard]] bool is_edit_mode() const { return edit_mode; }
 
-		void set_save_path(const fs::path &savePath) const { save_path = savePath; }
+		void set_save_path([[maybe_unused]] const Controller &controller, const fs::path &savePath) const { save_path = savePath; }
 
-		void set_filename(const std::string &fileName) const { filename = fileName; }
+		void set_filename([[maybe_unused]] const Controller &controller, const std::string &fileName) const { filename = fileName; }
 	};
 }
 
diff --git a/src/controller.cpp b/src/controller.cpp
index fad716b..4949b90 100644
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -1,7 +1,10 @@
 #include "controller.hpp"
-#include "gui/menu/menu_data.hpp"
-#include "ImFileDialog.h"
+#include <fstream>
 #include <spdlog/spdlog.h>
+#include <nlohmann/json.hpp>
+#include "ImFileDialog.h"
+#include "gui/menu/menu_data.hpp"
+#include "character_sheet.hpp"
 
 void Controller::control_menu() const noexcept {
 	if (ifd::FileDialog::Instance().IsDone(menu_data.open_character_key)) {
@@ -13,8 +16,16 @@ void Controller::control_menu() const noexcept {
 	}
 	if (ifd::FileDialog::Instance().IsDone(menu_data.save_character_key)) {
 		if (ifd::FileDialog::Instance().HasResult()) {
-			const fs::path str = ifd::FileDialog::Instance().GetResult();
+			fs::path str = ifd::FileDialog::Instance().GetResult();
 			SPDLOG_DEBUG("path saving: {}", str.string());
+			const auto filename = str.filename();
+			const auto save_path = str.remove_filename();
+			menu_data.set_filename(*this, filename);
+			menu_data.set_save_path(*this, save_path);
+			std::ofstream file{ save_path / filename };
+			json j;
+			j.emplace("character_sheet", sheet);
+			file << j.dump(4);
 		}
 		ifd::FileDialog::Instance().Close();
 	}