diff --git a/maltrieve.py b/maltrieve.py
index 82aeb79..30d8f45 100755
--- a/maltrieve.py
+++ b/maltrieve.py
@@ -127,9 +127,9 @@ def __init__(self, args, filename='maltrieve.cfg'):
 
     def check_proxy(self):
         if self.proxy:
-            logging.info('Using proxy {proxy}'.format(proxy=self.proxy))
+            logging.info('Using proxy %s', self.proxy)
             my_ip = requests.get('http://ipinfo.io/ip', proxies=self.proxy).text
-            logging.info('External sites see {ip}'.format(ip=my_ip))
+            logging.info('External sites see %s', my_ip)
             print 'External sites see {ip}'.format(ip=my_ip)