diff --git a/xCAT-server/share/xcat/netboot/rh/compute.rhels7.ppc64.postinstall b/xCAT-server/share/xcat/netboot/rh/compute.rhels7.ppc64.postinstall
index e99463cbe..02effbf98 100755
--- a/xCAT-server/share/xcat/netboot/rh/compute.rhels7.ppc64.postinstall
+++ b/xCAT-server/share/xcat/netboot/rh/compute.rhels7.ppc64.postinstall
@@ -37,7 +37,7 @@ echo "co:2345:respawn:/sbin/agetty -L 38400 console" >> $installroot/etc/inittab
 #-- Need to disable selinux, otherwise, the booting  will hang on "Loading selinux policy"
 if [ -f "$installroot/etc/selinux/config" ]
 then
-sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
+    sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
 fi
 
 #-- Example of booted image versioning
diff --git a/xCAT-server/share/xcat/netboot/rh/compute.rhels7.x86_64.postinstall b/xCAT-server/share/xcat/netboot/rh/compute.rhels7.x86_64.postinstall
index c62bf2c6f..e8883be8f 100755
--- a/xCAT-server/share/xcat/netboot/rh/compute.rhels7.x86_64.postinstall
+++ b/xCAT-server/share/xcat/netboot/rh/compute.rhels7.x86_64.postinstall
@@ -37,7 +37,7 @@ END
 #-- Need to disable selinux, otherwise, the booting  will hang on "Loading selinux policy"
 if [ -f "$installroot/etc/selinux/config" ]
 then
-sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
+    sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
 fi
 
 #-- Example of booted image versioning
diff --git a/xCAT-server/share/xcat/netboot/rh/service.postinstall b/xCAT-server/share/xcat/netboot/rh/service.postinstall
index 6eb1f16c5..192b22c78 100755
--- a/xCAT-server/share/xcat/netboot/rh/service.postinstall
+++ b/xCAT-server/share/xcat/netboot/rh/service.postinstall
@@ -41,7 +41,7 @@ echo "co:2345:respawn:/sbin/agetty -L 38400 console" >> $installroot/etc/inittab
 #-- Need to disable selinux, otherwise, the booting  will hang on "Loading selinux policy"
 if [ -f "$installroot/etc/selinux/config" ]
 then
-sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
+    sed -i 's/SELINUX=enforcing\|permissive/SELINUX=disabled/' $installroot/etc/selinux/config
 fi
 
 #-- Example of booted image versioning