diff --git a/product/ERP5Type/Cache.py b/product/ERP5Type/Cache.py
index 0f47856f293b4d8013019575cb49a493e61daa8b..d61f53cbbe534d10f28e2e40eb4cba609d99238b 100644
--- a/product/ERP5Type/Cache.py
+++ b/product/ERP5Type/Cache.py
@@ -34,7 +34,7 @@ from zLOG import LOG
 
 # XXX need to expire old objects in a way.
 cache_check_time = time()
-CACHE_CHECK_TIMEOUT = 60
+CACHE_CHECK_TIMEOUT = 3600
 
 # Special Exception for this code.
 class CachedMethodError(Exception): pass