diff --git a/python_apps/pypo/pypocli.py b/python_apps/pypo/pypocli.py
index 8873c6382..2a5d8a4b7 100644
--- a/python_apps/pypo/pypocli.py
+++ b/python_apps/pypo/pypocli.py
@@ -149,8 +149,8 @@ if __name__ == '__main__':
     #Although all of our calculations are in UTC, it is useful to know what timezone
     #the local machine is, so that we have a reference for what time the actual
     #log entries were made
-    logger.info("Timezone: %s" % time.tzname)
-    logger.info("UTC time: %s" % datetime.utcnow())
+    logger.info("Timezone: %s" % str(time.tzname))
+    logger.info("UTC time: %s" % str(datetime.utcnow()))
 
     signal.signal(signal.SIGINT, keyboardInterruptHandler)