diff --git a/xCAT-server/share/xcat/install/sles/compute.pkglist b/xCAT-server/share/xcat/install/sles/compute.pkglist
index f8e11a7ba..0aedcaff4 100644
--- a/xCAT-server/share/xcat/install/sles/compute.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.pkglist
@@ -1,5 +1,5 @@
 @base
 @x11
 openssl
-xntp
+ntp
 rsync
diff --git a/xCAT-server/share/xcat/install/sles/compute.sles10.ppc64.pkglist b/xCAT-server/share/xcat/install/sles/compute.sles10.ppc64.pkglist
index c6fe5183f..12827ccb6 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sles10.ppc64.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.sles10.ppc64.pkglist
@@ -2,5 +2,5 @@
 @base
 @x11
 openssl
-xntp
+ntp
 rsync
diff --git a/xCAT-server/share/xcat/install/sles/compute.sles10.s390x.pkglist b/xCAT-server/share/xcat/install/sles/compute.sles10.s390x.pkglist
index 894b7d0b6..8e21feb02 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sles10.s390x.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.sles10.s390x.pkglist
@@ -1,3 +1,3 @@
 @base
 libapr1
- 
\ No newline at end of file
+ntp 
diff --git a/xCAT-server/share/xcat/install/sles/compute.sles11.pkglist b/xCAT-server/share/xcat/install/sles/compute.sles11.pkglist
index ecfc5adc8..1b942cf35 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sles11.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.sles11.pkglist
@@ -1,4 +1,4 @@
 @base
 @x11
-xntp
+ntp
 rsync
diff --git a/xCAT-server/share/xcat/install/sles/compute.sles11.s390x.pkglist b/xCAT-server/share/xcat/install/sles/compute.sles11.s390x.pkglist
index 894b7d0b6..8e21feb02 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sles11.s390x.pkglist
+++ b/xCAT-server/share/xcat/install/sles/compute.sles11.s390x.pkglist
@@ -1,3 +1,3 @@
 @base
 libapr1
- 
\ No newline at end of file
+ntp 
diff --git a/xCAT-server/share/xcat/install/sles/service.sles11.pkglist b/xCAT-server/share/xcat/install/sles/service.sles11.pkglist
index f31276553..22547d10a 100644
--- a/xCAT-server/share/xcat/install/sles/service.sles11.pkglist
+++ b/xCAT-server/share/xcat/install/sles/service.sles11.pkglist
@@ -1,6 +1,6 @@
 @base
 @x11
-xntp
+ntp
 rsync
 nmap
 perl-DBI