diff --git a/dr_botzo/ircbot/lib.py b/dr_botzo/ircbot/lib.py
index 408f00b..76836da 100644
--- a/dr_botzo/ircbot/lib.py
+++ b/dr_botzo/ircbot/lib.py
@@ -49,21 +49,21 @@ def has_permission(source, permission):
 
     try:
         bot_user = BotUser.objects.get(nickmask=source)
-        log.debug("found bot user {0:s}".format(bot_user))
+        log.debug("found bot user %s", bot_user)
     except BotUser.DoesNotExist:
-        log.debug("could not find bot user for {0:s}".format(source))
+        log.debug("could not find bot user for %s", source)
         return False
 
     try:
         django_user = bot_user.user
         if django_user.has_perm(permission):
-            log.debug("bot user {0:s} has requested permission {1:s}".format(bot_user, permission))
+            log.debug("bot user %s has requested permission %s", bot_user, permission)
             return True
     except ObjectDoesNotExist:
-        log.error("could not find django user for bot user {0:s}".format(bot_user))
+        log.error("could not find django user for bot user %s", bot_user)
         return False
 
-    log.debug("bot user {0:s} does not have requested permission {1:s}".format(bot_user, permission))
+    log.debug("bot user %s does not have requested permission %s", bot_user, permission)
     return False