diff --git a/earwigbot/config/node.py b/earwigbot/config/node.py
index 36f7a1e..41d23dc 100644
--- a/earwigbot/config/node.py
+++ b/earwigbot/config/node.py
@@ -33,7 +33,7 @@ class ConfigNode(object):
         return bool(self._data)
 
     def __len__(self):
-        retrun len(self._data)
+        return len(self._data)
 
     def __getitem__(self, key):
         return self._data[key]