diff --git a/product/ERP5/tests/testXHTML.py b/product/ERP5/tests/testXHTML.py
index a85deac9ff9f67ee2166797b8a7a3751483c35c2..62eca0e82f1f9960eab403f66a9facf5fee36d7d 100644
--- a/product/ERP5/tests/testXHTML.py
+++ b/product/ERP5/tests/testXHTML.py
@@ -116,6 +116,10 @@ class TestXHTML(ERP5TypeTestCase):
       'erp5_administration',
 
       'erp5_knowledge_pad',
+
+      'erp5_trade_proxy_field_legacy', # it is necessary until all bt are well
+                                       # reviewed. Many bt like erp5_project are
+                                       # using obsolete field library of trade
     )
 
   def afterSetUp(self):