diff --git a/warbot.py b/warbot.py
index 785b6f0..4984eb4 100755
--- a/warbot.py
+++ b/warbot.py
@@ -119,7 +119,8 @@ class WarBot(irc.IRCClient):
 				items.append(itemStr)
 
 		expire = int(alert["Expiry"]["$date"]["$numberLong"])
-		expire_diff = int(expire/1000 - time.time())
+		expire = int(expire/1000)
+		expire_diff = expire - int(time.time())
 		expire_t = time.localtime(expire)
 
 		message = "\x0300[\x0305ALERT\x0300] " \