diff --git a/bin/weewx/drivers/cc3000.py b/bin/weewx/drivers/cc3000.py
index 149b1a0c..3e434ee0 100644
--- a/bin/weewx/drivers/cc3000.py
+++ b/bin/weewx/drivers/cc3000.py
@@ -23,6 +23,7 @@ catchup on startup.
 # FIXME: support non-fixed interval size
 
 from __future__ import with_statement
+import datetime
 import serial
 import string
 import syslog