diff --git a/src/callbacks.py b/src/callbacks.py
index f9f6e63e0..2bed10700 100644
--- a/src/callbacks.py
+++ b/src/callbacks.py
@@ -82,7 +82,7 @@ def addressed(nick, msg):
                 return rest
             else:
                 return ''
-        except IndexError:
+        except ValueError: # split didn't work.
             return ''
     elif msg.args[1] and msg.args[1][0] in conf.prefixChars:
         return msg.args[1][1:].strip()