diff --git a/omnibot/bot.py b/omnibot/bot.py
index e27c0b5..123145b 100644
--- a/omnibot/bot.py
+++ b/omnibot/bot.py
@@ -193,6 +193,8 @@ class Bot:
         if who.nick == self.server_config.nick:
             # Don't raise on_message events for ourselves
             return
+        if len(message.paremeters) == 1:
+            return
         line = message.parameters[1]
 
         # TL;DR OF THE BELOW: if the first parameter looks like a channel in