diff --git a/xCAT-server/lib/xcat/plugins/debian.pm b/xCAT-server/lib/xcat/plugins/debian.pm
index 7fde6382a..3d2c6ce6b 100644
--- a/xCAT-server/lib/xcat/plugins/debian.pm
+++ b/xCAT-server/lib/xcat/plugins/debian.pm
@@ -768,7 +768,8 @@ sub mkinstall {
             next;
         }
 
-        if ($arch =~ /ppc64/i and !(-e "$pkgdir/install/netboot/initrd.gz")) {
+        if ($arch =~ /ppc64/i and !(-e "$pkgdir/install/netboot/initrd.gz") and
+            !(-e "$pkgdir/install/netboot/ubuntu-installer/$darch/initrd.gz")) {
             xCAT::MsgUtils->report_node_error($callback, $node, 
                 "The network boot initrd.gz is not found in $pkgdir/install/netboot.  This is provided by Ubuntu, please download and retry."
                 );
@@ -804,10 +805,16 @@ sub mkinstall {
                     )
                 ) or (
                     $arch =~ /ppc64/i and (
-                        -r "$pkgdir/install/vmlinux"
-                        and $kernpath = "$pkgdir/install/vmlinux"
-                        and -r "$pkgdir/install/netboot/initrd.gz"
-                        and $initrdpath = "$pkgdir/install/netboot/initrd.gz"
+                        (-r "$pkgdir/install/netboot/ubuntu-installer/$darch/vmlinux"
+                            and $kernpath = "$pkgdir/install/install/netboot/ubuntu-installer/$darch/vmlinux"
+                            and -r "$pkgdir/install/netboot/ubuntu-installer/$darch/initrd.gz"
+                            and $initrdpath = "$pkgdir/install/netboot/ubuntu-installer/$darch/initrd.gz"
+                        ) or
+                        (-r "$pkgdir/install/vmlinux"
+                            and $kernpath = "$pkgdir/install/vmlinux"
+                            and -r "$pkgdir/install/netboot/initrd.gz"
+                            and $initrdpath = "$pkgdir/install/netboot/initrd.gz"
+                        )
                     )
                 )
             )