diff --git a/source/wt/bmg.py b/source/wt/bmg.py
index 9ebd762..2fb230d 100644
--- a/source/wt/bmg.py
+++ b/source/wt/bmg.py
@@ -1,6 +1,6 @@
 from source.wt import *
 
-tools_path = tools_szs_dir / ("wbmgt.exe" if system == "win64" else "wbmgt")
+tools_path = tools_szs_dir / "wbmgt"
 
 
 _tools_run = get_tools_run_function(tools_path)
diff --git a/source/wt/img.py b/source/wt/img.py
index 00b925e..42fd02f 100644
--- a/source/wt/img.py
+++ b/source/wt/img.py
@@ -1,6 +1,6 @@
 from source.wt import *
 
-tools_path = tools_szs_dir / ("wimgt.exe" if system == "win64" else "wimgt")
+tools_path = tools_szs_dir / "wimgt"
 
 
 _tools_run = get_tools_run_function(tools_path)
diff --git a/source/wt/lec.py b/source/wt/lec.py
new file mode 100644
index 0000000..b5a4821
--- /dev/null
+++ b/source/wt/lec.py
@@ -0,0 +1,31 @@
+from source.wt import *
+
+tools_path = tools_szs_dir / "wlect"
+
+
+_tools_run = get_tools_run_function(tools_path)
+_tools_run_popen = get_tools_run_popen_function(tools_path)
+
+
+def patch_data(lecode_data: bytes, game_tracks_directory: Path | str,
+               copy_tracks_directory: Path | str, move_tracks_directory: Path | str,
+               ct_file: Path | str, lpar: Path | str) -> bytes:
+    """
+    Patch a LECODE.bin file content
+    :param lpar: parameter that can be applied to the lecode configuration
+    :param ct_file: file defining track and arena slots
+    :param move_tracks_directory: tracks to move inside the game
+    :param copy_tracks_directory: tracks to copy inside the game
+    :param game_tracks_directory: directory to all the game tracks
+    :param lecode_data: LECODE.bin file content
+    :return: patched LECODE.bin file content
+    """
+    args = []
+    # TODO: implement args
+
+    process = _tools_run_popen("PATCH", "-", "--DEST", "-", *args)
+    stdout, _ = process.communicate(input=lecode_data)
+    if process.returncode != 0:
+        raise WTError(tools_path, process.returncode)
+
+    return stdout
diff --git a/source/wt/szs.py b/source/wt/szs.py
index 9561f6b..cd7fd50 100644
--- a/source/wt/szs.py
+++ b/source/wt/szs.py
@@ -1,7 +1,7 @@
 from source.wt import *
 from source.wt import _run, _run_dict
 
-tools_path = tools_szs_dir / ("wszst.exe" if system == "win64" else "wszst")
+tools_path = tools_szs_dir / "wszst"
 
 
 _tools_run = get_tools_run_function(tools_path)
diff --git a/source/wt/wit.py b/source/wt/wit.py
index c73db7a..7079b7b 100644
--- a/source/wt/wit.py
+++ b/source/wt/wit.py
@@ -5,7 +5,7 @@ from typing import Generator
 
 from source.wt import *
 
-tools_path = tools_wit_dir / ("wit.exe" if system == "win64" else "wit")
+tools_path = tools_wit_dir / "wit"
 
 
 _tools_run = get_tools_run_function(tools_path)
diff --git a/source/wt/wstrt.py b/source/wt/wstrt.py
index 3323093..5c083df 100644
--- a/source/wt/wstrt.py
+++ b/source/wt/wstrt.py
@@ -1,6 +1,6 @@
 from source.wt import *
 
-tools_path = tools_szs_dir / ("wstrt.exe" if system == "win64" else "wstrt")
+tools_path = tools_szs_dir / "wstrt"
 
 
 _tools_run = get_tools_run_function(tools_path)