diff --git a/plugins/Owner/plugin.py b/plugins/Owner/plugin.py
index d16187583..8ebffa155 100644
--- a/plugins/Owner/plugin.py
+++ b/plugins/Owner/plugin.py
@@ -290,7 +290,7 @@ class Owner(callbacks.Plugin):
         for (option, arg) in optlist:
             if option == 'remove':
                 remove = True
-        cbs = callbacks.findCallbackForCommand(irc, command)
+        (_, cbs) = irc.findCallbacksForArgs([command])
         if remove:
             try:
                 conf.supybot.commands.defaultPlugins.unregister(command)