diff --git a/ncm/downloader.py b/ncm/downloader.py
index 4f685c4..ea5c2f2 100644
--- a/ncm/downloader.py
+++ b/ncm/downloader.py
@@ -127,4 +127,4 @@ def format_string(string):
     """
     Replace illegal character with ' '
     """
-    return re.sub(r'[\\/:*?"<>|]', ' ', string)
+    return re.sub(r'[\\/:*?"<>|\t]', ' ', string)