diff --git a/files/squid/helpers/squid-url-rewrite.py b/files/squid/helpers/squid-url-rewrite.py
index 425e8f07e8fa868c746dc7ec73f3263bab1b97d0..2eae9f76119f99e33384b3c90b3b631c0e993ae4 100755
--- a/files/squid/helpers/squid-url-rewrite.py
+++ b/files/squid/helpers/squid-url-rewrite.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+import os
 import sys
 import re
 import datetime