diff --git a/product/ERP5Type/tests/testPerformance.py b/product/ERP5Type/tests/testPerformance.py
index 965e549809f1a8e90517871b3498b8a7292f97f2..e4dffff83bffa1800b4754c9add918f2b049151f 100644
--- a/product/ERP5Type/tests/testPerformance.py
+++ b/product/ERP5Type/tests/testPerformance.py
@@ -41,8 +41,8 @@ import os, hotshot
 # (which has 31645.6 pystones/second)
 MIN_OBJECT_VIEW=0.134
 MAX_OBJECT_VIEW=0.140
-MIN_OBJECT_MANY_LINES_VIEW=0.311
-MAX_OBJECT_MANY_LINES_VIEW=0.331
+MIN_OBJECT_MANY_LINES_VIEW=0.300
+MAX_OBJECT_MANY_LINES_VIEW=0.320
 MIN_OBJECT_PROXYFIELD_VIEW=0.215
 MAX_OBJECT_PROXYFIELD_VIEW=0.235
 #CURRENT_MIN_OBJECT_VIEW=0.1220