diff --git a/src/ircbot/irc3module.py b/src/ircbot/irc3module.py
index 2e04aa3f..2f2a6e3e 100644
--- a/src/ircbot/irc3module.py
+++ b/src/ircbot/irc3module.py
@@ -110,7 +110,7 @@ class Plugin(object):
     # custom irc3 methods below here
 
     @irc3.extend
-    def do_stuff(self):
+    async def do_stuff(self):
         """
         Main periodic method called every N seconds.
         """