diff --git a/http2irc.py b/http2irc.py
index 32e1d01..d6cce6c 100644
--- a/http2irc.py
+++ b/http2irc.py
@@ -11,6 +11,7 @@ import irctokens
 import itertools
 import json
 import logging
+import math
 import os.path
 import signal
 import socket