diff --git a/ameliabot/plugins/calc.py b/ameliabot/plugins/calc.py
index 68be052..ce22da6 100644
--- a/ameliabot/plugins/calc.py
+++ b/ameliabot/plugins/calc.py
@@ -32,7 +32,7 @@ def __init__(self, server, appid):
     @regcmd('@calc (?P<exp>.+)$')
     def calculate(self, server, nick, user, host, target, msg, exp):
         for pod in self.client.query(exp):
-            if pod.text:
+            if getattr(pod, 'text', None):
                 send_lines(server, target,
                     pod.text.encode('utf-8'))
     
@@ -46,3 +46,4 @@ def calculate(self, server, nick, user, host, target, msg, exp):
 
 
 
+