diff --git a/tools/files.py b/tools/files.py
index 027a486..896531b 100644
--- a/tools/files.py
+++ b/tools/files.py
@@ -1,22 +1,14 @@
 import os
-import re
+import yt_dlp.utils
 
 def get_created_files(id):
 	# youtube-dl transforms filenames when saving, for example changing - to _ at the start to presumbly not trigger switches in shell, but also in other strange ways too
-	patterns = [
-		"__+", "_",
-		"^_*(-_)?", "",
-		"^-", "_"
-	]
-	trim_id = id
-	for find, replace in zip(patterns[::-2], patterns[1::-2]): # for each 2 items in the list
-		trim_id = re.sub(find, replace, trim_id)
-
+	sanitized_id = yt_dlp.utils.sanitize_filename(id)
 	# all file names then have an underscore before the converted URL
 	id += "_"
-	trim_id += "_"
+	sanitized_id += "_"
 
-	return (f for f in os.listdir() if f.startswith(id) or f.startswith(trim_id))
+	return (f for f in os.listdir() if f.startswith(id) or f.startswith(sanitized_id))
 
 def clean_up_temp_files(id):
 	created_files = get_created_files(id)