diff --git a/python/lib/cloudutils/serviceConfig.py b/python/lib/cloudutils/serviceConfig.py
index d129e00c45b..5c552c0b756 100755
--- a/python/lib/cloudutils/serviceConfig.py
+++ b/python/lib/cloudutils/serviceConfig.py
@@ -388,7 +388,8 @@ class nfsConfig(serviceCfgBase):
                 return True
 
             cfo = configFileOps("/etc/nfsmount.conf")
-            cfo.addEntry("AC", "False")
+            cfo.addEntry("Ac", "False")
+            cfo.addEntry("actimeo", "0")
             cfo.save()
 
             self.syscfg.svo.enableService("rpcbind")