diff --git a/config/chroot_local-includes/usr/local/lib/onion-grater b/config/chroot_local-includes/usr/local/lib/onion-grater
index 376d42740fd8571334f29a8e8469a91d6dd9cbc8..15c932f1060fe131280aad5e9cdeedf55d21c1e5 100755
--- a/config/chroot_local-includes/usr/local/lib/onion-grater
+++ b/config/chroot_local-includes/usr/local/lib/onion-grater
@@ -138,6 +138,7 @@ import stem.connection
 import struct
 import sys
 import textwrap
+import time
 import yaml
 
 DEFAULT_LISTEN_ADDRESS = 'localhost'