diff --git a/pendora-box.py b/pendora-box.py
index 614fcbc..75b1909 100644
--- a/pendora-box.py
+++ b/pendora-box.py
@@ -1,3 +1,4 @@
+import argparse
 import json
 from pathlib import Path
 import hashlib
@@ -432,10 +433,16 @@ def menu_choice(menu_options):
 
 
 if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser(description='Sync your files and starts a listener on HTTP, SMB or SMB2.')
+    parser.add_argument('-u', '--update', action='store_true', help='update your files (described in config.json)')
+    args = parser.parse_args()
+
     with open("config.json", "r") as jsonfile:
         config = json.load(jsonfile)
 
-    update(config)
+    if args.update:
+        update(config)
     tmp = Path('files/tmp')
     is_empty = not any(tmp.iterdir())
     if not is_empty: