diff --git a/product/ERP5Type/__init__.py b/product/ERP5Type/__init__.py
index 3c92464e49e47577e9dcac88108c4d2ae64df9c8..1eed0a9ed7d4f2670508fbb2ba08aa6e84592bd3 100755
--- a/product/ERP5Type/__init__.py
+++ b/product/ERP5Type/__init__.py
@@ -47,7 +47,7 @@ content_constructors = ()
 # Import rest of the code and finish installation
 from Products.ERP5Type.Utils import initializeProduct
 import Document, Interface, PropertySheet, ZopePatch, StateChangeInfoPatch, \
-       CMFCorePatch
+       CMFCorePatch, FormulatorPatch
 
 def initialize( context ):
   initializeProduct(context, this_module, globals(),