diff --git a/bonobo/ext/console.py b/bonobo/ext/console.py
index a917647..e42a2b7 100644
--- a/bonobo/ext/console.py
+++ b/bonobo/ext/console.py
@@ -54,7 +54,7 @@ class ConsoleOutputPlugin(Plugin):
         super(ConsoleOutputPlugin, self).__init__(context)
         self._reset()
 
-    def _reset():
+    def _reset(self):
         self.prefix = ''
         self.counter = 0
         self._append_cache = ''