diff --git a/xCAT-server/share/xcat/install/rh/compute.rhels6.s390x.tmpl b/xCAT-server/share/xcat/install/rh/compute.rhels6.s390x.tmpl
index 6f23f2ce1..07b63212f 100644
--- a/xCAT-server/share/xcat/install/rh/compute.rhels6.s390x.tmpl
+++ b/xCAT-server/share/xcat/install/rh/compute.rhels6.s390x.tmpl
@@ -17,7 +17,7 @@ key --skip
 # Note that any partitions you deleted are not expressed
 # here so unless you clear all partitions first, this is
 # not guaranteed to work
-zerombr yes
+zerombr
 clearpart --initlabel --drives=dasda
 part / --fstype ext3 --size=100 --grow --ondisk=dasda
 part swap --size=512 --ondisk=dasda
@@ -26,4 +26,4 @@ part swap --size=512 --ondisk=dasda
 @base
 @core
 
-%post
\ No newline at end of file
+%post