diff --git a/yppasswdd.service b/yppasswdd.service
index fd86796..e83c5d0 100644
--- a/yppasswdd.service
+++ b/yppasswdd.service
@@ -10,6 +10,7 @@ EnvironmentFile=-/etc/sysconfig/network
 EnvironmentFile=-/etc/sysconfig/yppasswdd
 ExecStartPre=/usr/libexec/yppasswdd-pre-setdomain
 ExecStart=/usr/libexec/rpc.yppasswdd.env
+PrivateTmp=true
 
 [Install]
 WantedBy=multi-user.target
diff --git a/ypxfrd.service b/ypxfrd.service
index 1e62dca..cc408f2 100644
--- a/ypxfrd.service
+++ b/ypxfrd.service
@@ -8,6 +8,7 @@ Type=notify
 NotifyAccess=all
 EnvironmentFile=-/etc/sysconfig/network
 ExecStart=/usr/sbin/rpc.ypxfrd -f $YPXFRD_ARGS
+PrivateTmp=true
 
 [Install]
 WantedBy=multi-user.target