diff --git a/product/ERP5/Document/Resource.py b/product/ERP5/Document/Resource.py
index c880fe0988cf22cef5418a166cbcf85e9e9c9f4a..cf1e64fe2b47657d03208a5ef45b8060772bdbee 100755
--- a/product/ERP5/Document/Resource.py
+++ b/product/ERP5/Document/Resource.py
@@ -586,9 +586,9 @@ class Resource(XMLMatrix, CoreResource, Variated):
       This basically calls a script like Product_getPricingVariable
       """
       if context is not None:
-        method = context._getTypeBasedMethod('_getPricingVariable')
+        method = context._getTypeBasedMethod('getPricingVariable')
       if method is None or context is None:
-        method = self._getTypeBasedMethod('_getPricingVariable')
+        method = self._getTypeBasedMethod('getPricingVariable')
 
       if method is None:
         return 0.0