diff --git a/xCAT/postscripts/xcatdsklspost b/xCAT/postscripts/xcatdsklspost
index e66304c0b..3ddb7795a 100755
--- a/xCAT/postscripts/xcatdsklspost
+++ b/xCAT/postscripts/xcatdsklspost
@@ -512,7 +512,7 @@ fi
 #echo "$MYCONT"
 
 # use the run_ps subroutine to run the postscripts
-TMP=`sed "/postscripts-start-here/,/postscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /xcatpost/mypostscript`
+TMP=`sed "/# postscripts-start-here/,/# postscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /xcatpost/mypostscript`
 echo "
 # global value to store the running status of the postbootscripts,the value is non-zero if one postbootscript failed
 return_value=0
@@ -544,7 +544,7 @@ run_ps () {
 
 " > /xcatpost/mypostscript
 echo "$TMP" >> /xcatpost/mypostscript
-TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /xcatpost/mypostscript`
+TMP=`sed "/# postbootscripts-start-here/,/# postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /xcatpost/mypostscript`
 echo "$TMP" > /xcatpost/mypostscript 
 
 if [ $NODE_DEPLOYMENT -eq 1 ] || [ "$MODE" = "4" ]; then