diff --git a/source/__init__.py b/source/__init__.py
index 5a7c80e..fee0fa9 100644
--- a/source/__init__.py
+++ b/source/__init__.py
@@ -2,6 +2,7 @@ from tkinter import *
 from tkinter import messagebox, filedialog, ttk
 from threading import Thread
 import subprocess
+import glob
 import os
 
 from .definition import *
@@ -46,7 +47,7 @@ def __init__(self):
 
         Button(self.frame_game_path, text="...", relief=RIDGE, command=select_path).grid(row=1, column=2, sticky="NEWS")
 
-        self.frame_game_path_action = Frame(self.frame_game_path)  # Action Extraire & Tout faire
+        self.frame_game_path_action = Frame(self.frame_game_path)  # Extract and do everything button
         self.frame_game_path_action.grid(row=2, column=1, columnspan=2, sticky="NEWS")
         self.frame_game_path_action.columnconfigure(1, weight=1)
 
@@ -65,6 +66,7 @@ def __init__(self):
                                                self.translate("Ce dossier sera écrasé si vous installer le mod !\n" +
                                                               "Êtes-vous sûr de vouloir l'utiliser ?")):
                             self.path_mkwf = os.path.realpath(path + "/../../")
+                        else: return
                     elif extension.upper() in ["ISO", "WBFS", "WIA", "CSIO"]:
                         # Fiding a directory name that dosen't already exist
                         directory_name, i = "MKWiiFaraphel", 1
@@ -86,14 +88,33 @@ def __init__(self):
                         self.Progress(show=False)
                         return
 
-                    if os.path.exists(self.path_mkwf + "/files/rel/lecode-PAL.bin"):
+                    if glob.glob(self.path_mkwf + "/files/rel/lecode-???.bin"): # if a LECODE file is already here
                         messagebox.showwarning(self.translate("Attention"),
                                                self.translate("Cette ROM est déjà moddé, " +
                                                               "il est déconseillé de l'utiliser pour installer le mod"))
 
+                    region_ID = {
+                        "J": "JAP",
+                        "P": "PAL",
+                        "K": "KOR",
+                        "E": "USA"
+                    }
+                    try:
+                        with open(self.path_mkwf + "/setup.txt") as f: setup = f.read()
+                        setup = setup[setup.find("!part-id = ")+len("!part-id = "):]
+                        self.original_game_ID = setup[:setup.find("\n")]
+                    except:
+                        messagebox.showwarning(self.translate("Attention"),
+                                               self.transate("Impossible de trouver la région de votre jeu.\n"
+                                                             "la région PAL sera utilisé par défaut."))
+                        self.original_game_ID = "RMCP01"
+                    try: self.original_region = region_ID[self.original_game_ID[3]]
+                    except: self.original_region = "PAL"
+
+                    self.frame_action.grid(row=3, column=1, sticky="NEWS")
+
                 except: self.log_error()
                 finally:
-                    self.frame_action.grid(row=3, column=1, sticky="NEWS")
                     self.Progress(show=False)
 
             t = Thread(target=func)
diff --git a/source/install_mod.py b/source/install_mod.py
index 1444cd2..bca954b 100644
--- a/source/install_mod.py
+++ b/source/install_mod.py
@@ -89,18 +89,19 @@ def install_mod(self):
                             "--add-lecode"], creationflags=CREATE_NO_WINDOW, cwd=get_dir(self.path_mkwf),
                            check=True, stdout=subprocess.PIPE)
 
-            self.Progress(statut=self.translate("Patch lecode-PAL.bin"), add=1)
+            self.Progress(statut=self.translate("Patch lecode.bin"), add=1)
 
             shutil.copytree("./file/Track/", self.path_mkwf+"/files/Race/Course/", dirs_exist_ok=True)
             if not(os.path.exists(self.path_mkwf+"/tmp/")): os.makedirs(self.path_mkwf+"/tmp/")
             filecopy("./file/CTFILE.txt", self.path_mkwf+"/tmp/CTFILE.txt")
             filecopy("./file/lpar-default.txt", self.path_mkwf + "/tmp/lpar-default.txt")
-            filecopy("./file/lecode-PAL.bin", self.path_mkwf + "/tmp/lecode-PAL.bin")
+            filecopy(f"./file/lecode-{self.original_region}.bin", self.path_mkwf + f"/tmp/lecode-{self.original_region}.bin")
 
             subprocess.run(
-                ["./tools/szs/wlect", "patch", "./tmp/lecode-PAL.bin", "-od", "./files/rel/lecode-PAL.bin",
-                 "--track-dir", "./files/Race/Course/", "--move-tracks", "./files/Race/Course/", "--le-define",
-                 "./tmp/CTFILE.txt", "--lpar", "./tmp/lpar-default.txt", "--overwrite"],
+                ["./tools/szs/wlect", "patch", f"./tmp/lecode-{self.original_region}.bin", "-od",
+                 f"./files/rel/lecode-{self.original_region}.bin", "--track-dir", "./files/Race/Course/",
+                 "--move-tracks", "./files/Race/Course/", "--le-define", "./tmp/CTFILE.txt", "--lpar",
+                 "./tmp/lpar-default.txt", "--overwrite"],
                 creationflags=CREATE_NO_WINDOW, cwd=self.path_mkwf, check=True, stdout=subprocess.PIPE)
 
             shutil.rmtree(self.path_mkwf + "/tmp/")
@@ -117,7 +118,7 @@ def install_mod(self):
                 shutil.rmtree(self.path_mkwf)
 
                 self.Progress(statut=self.translate("Changement de l'ID du jeu"), add=1)
-                subprocess.run(["./tools/wit/wit", "EDIT", get_dir(self.path_mkwf_format), "--id", "RMCP60"],
+                subprocess.run(["./tools/wit/wit", "EDIT", get_dir(self.path_mkwf_format), "--id", "RMCP60"], # see to maybe change ID to MKWF
                                creationflags=CREATE_NO_WINDOW, cwd=get_dir(self.path_mkwf_format),
                                check=True, stdout=subprocess.PIPE)