diff --git a/tools/list.py b/tools/list.py
index 862fb20..a6760ca 100644
--- a/tools/list.py
+++ b/tools/list.py
@@ -2,11 +2,12 @@ import os
 import argparse
 import json
 import sys
+import locale
 
 #
 #    [ TD2 SCENERIES JSON LIST GENERATOR ]
 #    by masuo
-#    v1.0
+#    v1.1
 #
 
 def parse_args():
@@ -30,51 +31,47 @@ def parse_args():
     )
     return parser.parse_args()
 
+def list_lite_sc_files(directory):
+    locale.setlocale(locale.LC_COLLATE, '')
+    try:
+        entries = [f for f in os.listdir(directory) if f.endswith('.lite.sc')]
+    except OSError as e:
+        print(f"Error reading directory: {e}")
+        sys.exit(1)
+    return sorted(entries, key=locale.strxfrm)
+
+def write_output(path, data):
+    try:
+        with open(path, 'w', encoding='utf-8') as f:
+            json.dump(data, f, ensure_ascii=False, indent=4)
+        print(f"Successfully wrote {len(data['list'])} entries to '{path}'")
+    except Exception as e:
+        print(f"Error writing to output file: {e}")
+        sys.exit(1)
+
 def main():
     args = parse_args()
-
-    # Prompt for version if not provided
     version = args.save_version or input("Enter version: ")
     version_date = args.save_version_date or input("Enter version date (YYYY-MM-DD): ")
-
     directory = args.directory
     if not os.path.isdir(directory):
         print(f"Error: '{directory}' is not a valid directory.")
         sys.exit(1)
 
-    collected = []
-
-    for fname in sorted(os.listdir(directory)):
+    files = list_lite_sc_files(directory)
+    for fname in list_lite_sc_files(directory):
         full_path = os.path.join(directory, fname)
         if not os.path.isfile(full_path):
             print(f"Warning: Skipping '{fname}' (not a file)")
             continue
-
-        if not fname.endswith('.sc'):
-            print(f"Warning: Skipping '{fname}' (does not end with .sc)")
-            continue
-
-        if not fname.endswith('.lite.sc'):
-            print(f"Warning: '{fname}' ends with .sc but not .lite.sc, skipping")
-            continue
-
-        collected.append(fname)
-
     output = {
         "info": {
             "version": version,
             "versionDate": version_date
         },
-        "list": collected
+        "list": files
     }
-
-    try:
-        with open(args.output_file, 'w', encoding='utf-8') as f:
-            json.dump(output, f, ensure_ascii=False, indent=4)
-        print(f"Successfully wrote {len(collected)} entries to '{args.output_file}'")
-    except Exception as e:
-        print(f"Error writing to output file: {e}")
-        sys.exit(1)
+    write_output(args.output_file, output)
 
 if __name__ == '__main__':
     main()