diff --git a/xCAT-server/share/xcat/install/scripts/pre.ubuntu.ppc64 b/xCAT-server/share/xcat/install/scripts/pre.ubuntu.ppc64
index 12564e0a2..0cb85c74b 100644
--- a/xCAT-server/share/xcat/install/scripts/pre.ubuntu.ppc64
+++ b/xCAT-server/share/xcat/install/scripts/pre.ubuntu.ppc64
@@ -135,11 +135,11 @@ else
     echo "    ." >> /tmp/partitioning
 
     echo "100 50 100 ext4" >> /tmp/partitioning
-    echo '    $primary{ } $bootable{ } method{ format } format{ } use_filesystem{ } filesystem{ ext3 } mountpoint{ /boot }' >> /tmp/partitioning
+    echo '    $primary{ } $bootable{ } method{ format } format{ } use_filesystem{ } filesystem{ ext4 } mountpoint{ /boot }' >> /tmp/partitioning
     echo "    ." >> /tmp/partitioning
 fi
 echo "500 10000 1000000000 ext4" >> /tmp/partitioning
-echo "    method{ format } format{ } use_filesystem{ } filesystem{ ext3 } mountpoint{ / }" >> /tmp/partitioning
+echo "    method{ format } format{ } use_filesystem{ } filesystem{ ext4 } mountpoint{ / }" >> /tmp/partitioning
 echo "    ." >> /tmp/partitioning
 echo "2048 512 300% linux-swap" >> /tmp/partitioning
 echo "    method{ swap } format{ }" >> /tmp/partitioning