diff --git a/xCAT-server/share/xcat/install/scripts/pre.sles b/xCAT-server/share/xcat/install/scripts/pre.sles
index b2809a8c4..6936909a6 100644
--- a/xCAT-server/share/xcat/install/scripts/pre.sles
+++ b/xCAT-server/share/xcat/install/scripts/pre.sles
@@ -91,6 +91,12 @@ chmod 755 /tmp/bar.awk
 
 /tmp/bar.awk &
 /tmp/foo.awk >/tmp/foo.log 2>&1 &
+
+if [ -d /sys/firmware/efi ]; then
+	sed -e 's!<device>XCATPARTITIONHOOK</device>!<device>/dev/sda</device><partitions config:type="list"><partition><filesystem config:type="symbol">vfat</filesystem><mount>/boot/efi</mount><size>128mb</size></partition><partition><mount>swap</mount><size>auto</size></partition><partition><mount>/</mount><size>auto</size></partition></partitions>!' /tmp/profile/autoinst.xml > /tmp/profile/modified.xml
+else
+	sed -e 's!<device>XCATPARTITIONHOOK</device>!<device>/dev/sda</device>!'
+fi
 ]]>
 
           </source>
diff --git a/xCAT-server/share/xcat/install/sles/compute.sles11.tmpl b/xCAT-server/share/xcat/install/sles/compute.sles11.tmpl
index ec0b2d54e..dce9d6d12 100644
--- a/xCAT-server/share/xcat/install/sles/compute.sles11.tmpl
+++ b/xCAT-server/share/xcat/install/sles/compute.sles11.tmpl
@@ -31,7 +31,7 @@
     </general>
     <partitioning config:type="list">
       <drive>
-        <device>/dev/sda</device>
+        <device>XCATPARTITIONHOOK</device>
         <initialize config:type="boolean">true</initialize>
         <use>all</use>
       </drive>