diff --git a/xCAT-server/lib/xcat/plugins/debian.pm b/xCAT-server/lib/xcat/plugins/debian.pm
index 370b270ad..7a2c894c3 100644
--- a/xCAT-server/lib/xcat/plugins/debian.pm
+++ b/xCAT-server/lib/xcat/plugins/debian.pm
@@ -770,7 +770,7 @@ sub mkinstall {
 
         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, $node, 
+            xCAT::MsgUtils->report_node_error($callback, $node,
                 "The network boot initrd.gz is not found in $pkgdir/install/netboot.  This is provided by Ubuntu, please download and retry."
                 );
             next;