diff --git a/scripts/flaskext_compat.py b/scripts/flaskext_compat.py
index 2f58ccc4..cb0b436c 100644
--- a/scripts/flaskext_compat.py
+++ b/scripts/flaskext_compat.py
@@ -9,6 +9,7 @@
     Usage::
 
         import flaskext_compat
+        flaskext_compat.activate()
         from flask.ext import foo
 
     :copyright: (c) 2011 by Armin Ronacher.