diff --git a/ct_config.json b/ct_config.json
index 902fb57..1d7797c 100644
--- a/ct_config.json
+++ b/ct_config.json
@@ -3,6 +3,8 @@
    "name":"Mario Kart Wii Faraphel",
    "nickname":"MKWF",
    "game_variant":"60",
+   "region": 5500,
+   "cheat_region": 20000,
    "cup":{
       "0":{
          "name":"Coupe Champignon",
diff --git a/source/CT_Config.py b/source/CT_Config.py
index 4b9d1d3..c389dc6 100644
--- a/source/CT_Config.py
+++ b/source/CT_Config.py
@@ -30,11 +30,14 @@ def get_cup_icon(cup_id: [str, int], font_path: str = "./file/SuperMario256.ttf"
 
 
 class CT_Config:
-    def __init__(self, version: str = None, name: str = None, nickname: str = None, game_variant: str = None, gui=None):
+    def __init__(self, version: str = None, name: str = None, nickname: str = None,
+                 game_variant: str = None, gui=None, region: int = None, cheat_region: int = None):
         self.version = version
         self.name = name
         self.nickname = nickname if nickname else name
         self.game_variant = game_variant  # this is the "60" part in RMCP60 for example
+        self.region = region
+        self.cheat_region = cheat_region
 
         self.ordered_cups = []
         self.unordered_tracks = []
@@ -164,6 +167,8 @@ class CT_Config:
         self.name = ctconfig_json["name"]
         self.nickname = ctconfig_json["nickname"] if "nickname" in ctconfig_json else self.name
         self.game_variant = ctconfig_json["game_variant"] if "game_variant" in ctconfig_json else "01"
+        self.region = ctconfig_json.get("region")
+        self.cheat_region = ctconfig_json.get("cheat_region")
 
     def search_tracks(self, values_list=False, not_value=False, only_unordered_track=False, **kwargs) -> list:
         """
diff --git a/source/Game.py b/source/Game.py
index 37b8b21..43c4ea4 100644
--- a/source/Game.py
+++ b/source/Game.py
@@ -275,7 +275,9 @@ class Game:
         patch the main.dol file to allow the addition of LECODE.bin file
         """
         self.gui.progress(statut=self.gui.translate("Patch main.dol"), add=1)
-        wstrt.patch(path=self.path)
+
+        region_id = self.ctconfig.region if self.gui.is_using_official_config() else self.ctconfig.cheat_region
+        wstrt.patch(path=self.path, region_id=region_id)
 
     def install_patch_lecode(self) -> None:
         """
@@ -413,10 +415,6 @@ class Game:
                 file_process = json.load(fp_file)
 
             for bmg_process in file_process["bmg"]:
-                if "only_file" in bmg_process:
-                    if not os.path.basename(file) in bmg_process["only_file"]:
-                        continue
-
                 if bmg_language and "language" in bmg_process:
                     if gamelang_to_lang[bmg_language] in bmg_process["language"]:
                         continue
diff --git a/source/wszst/wstrt.py b/source/wszst/wstrt.py
index e27dee6..8974a04 100644
--- a/source/wszst/wstrt.py
+++ b/source/wszst/wstrt.py
@@ -5,10 +5,19 @@ WSTRT_PATH = "./tools/szs/wstrt"
 
 
 @error.better_wszst_error(wszst_tools=WSTRT_PATH)
-def patch(path: str) -> None:
+def patch(path: str, region_id: int = None) -> None:
     """
     Patch the main.dol file
+    :param region_id: optional option to the mod region
     :param path: path to the game
     """
-    subprocess.run([WSTRT_PATH, "patch", path + "/sys/main.dol", "--clean-dol", "--add-lecode"],
-                   creationflags=subprocess.CREATE_NO_WINDOW, check=True, stdout=subprocess.PIPE)
\ No newline at end of file
+
+    cmd = [
+        WSTRT_PATH, "patch",
+        path + "/sys/main.dol", path + "/files/rel/StaticR.rel",
+        "--clean-dol",
+        "--add-lecode"
+    ]
+    if region_id: cmd.extend(["--region", str(region_id)])
+
+    subprocess.run(cmd, creationflags=subprocess.CREATE_NO_WINDOW, check=True, stdout=subprocess.PIPE)
\ No newline at end of file