diff --git a/product/ERP5/PropertySheet/Price.py b/product/ERP5/PropertySheet/Price.py
index 4e61f83cc7572f4424c6d3c61a9bc1bc3d8986cc..93ad3fa9a257bbd447b273202872b18e9a29a917 100644
--- a/product/ERP5/PropertySheet/Price.py
+++ b/product/ERP5/PropertySheet/Price.py
@@ -87,3 +87,5 @@ class Price:
             'mode'        : 'w' },
     )
 
+  _categories = ( 'price_currency', )
+