diff --git a/xCAT-server/share/xcat/install/scripts/post.sles b/xCAT-server/share/xcat/install/scripts/post.sles
index db3e3c4a9..7f4d301c4 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles
+++ b/xCAT-server/share/xcat/install/scripts/post.sles
@@ -158,6 +158,7 @@ run_ps () {
 # subroutine end
 
 " > /tmp/mypostscript
+echo "cd /xcatpost" >> /tmp/mypostscript
 echo "$TMP" >> /tmp/mypostscript
 TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
 echo "$TMP" > /tmp/mypostscript 
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles10.s390x b/xCAT-server/share/xcat/install/scripts/post.sles10.s390x
index dbb615cfa..b922bf6e9 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles10.s390x
+++ b/xCAT-server/share/xcat/install/scripts/post.sles10.s390x
@@ -118,6 +118,7 @@ run_ps () {
 # subroutine end
 
 " > /tmp/mypostscript
+echo "cd /xcatpost" >> /tmp/mypostscript
 echo "$TMP" >> /tmp/mypostscript
 TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
 echo "$TMP" > /tmp/mypostscript 
@@ -165,4 +166,4 @@ cd /
 ]]>
 				</source>
 			</script>
-		</post-scripts>
\ No newline at end of file
+		</post-scripts>
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles11 b/xCAT-server/share/xcat/install/scripts/post.sles11
index 58c6b16e0..a58147276 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles11
+++ b/xCAT-server/share/xcat/install/scripts/post.sles11
@@ -141,6 +141,7 @@ run_ps () {
 # subroutine end
 
 " > /tmp/mypostscript
+echo "cd /xcatpost" >> /tmp/mypostscript
 echo "$TMP" >> /tmp/mypostscript
 TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
 echo "$TMP" > /tmp/mypostscript 
@@ -172,7 +173,7 @@ chkconfig --add xcatpostinit1
 #only run the prebooot scripts here
 TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ d" /tmp/mypostscript`
 echo "$TMP" > /tmp/mypostscript
-
+cd /xcatpost
 /tmp/mypostscript
 
 updateflag.awk $MASTER 3002
diff --git a/xCAT-server/share/xcat/install/scripts/post.sles11.s390x b/xCAT-server/share/xcat/install/scripts/post.sles11.s390x
index 5cd8ac1cb..8e362c8b6 100644
--- a/xCAT-server/share/xcat/install/scripts/post.sles11.s390x
+++ b/xCAT-server/share/xcat/install/scripts/post.sles11.s390x
@@ -114,6 +114,7 @@ run_ps () {
 # subroutine end
 
 " > /tmp/mypostscript
+echo "cd /xcatpost" >> /tmp/mypostscript
 echo "$TMP" >> /tmp/mypostscript
 TMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\(.*\)/run_ps \1/;s/run_ps\s*#/#/;s/run_ps\s*$//" /tmp/mypostscript`
 echo "$TMP" > /tmp/mypostscript 
@@ -160,4 +161,4 @@ cd /
 ]]>
 				</source>
 			</script>
-		</post-scripts>
\ No newline at end of file
+		</post-scripts>