diff --git a/product/ERP5Type/tests/testPerformance.py b/product/ERP5Type/tests/testPerformance.py
index 563e9793ad501e07ec135df761e38fe6feef175c..250e806186d58f9deeffffd3d213c63e042b6590 100644
--- a/product/ERP5Type/tests/testPerformance.py
+++ b/product/ERP5Type/tests/testPerformance.py
@@ -40,8 +40,8 @@ from Products.CMFCore.tests.base.testcase import LogInterceptor
 # (which has 31645.6 pystones/second)
 MIN_OBJECT_VIEW=0.112
 MAX_OBJECT_VIEW=0.122
-MIN_OBJECT_PROXYFIELD_VIEW=0.2390
-MAX_OBJECT_PROXYFIELD_VIEW=0.2490
+MIN_OBJECT_PROXYFIELD_VIEW=0.2000
+MAX_OBJECT_PROXYFIELD_VIEW=0.2200
 CURRENT_MIN_OBJECT_VIEW=0.1220
 CURRENT_MAX_OBJECT_VIEW=0.1280
 MIN_MODULE_VIEW=0.125