diff --git a/perl-xCAT-2.0/xCAT/PPCscan.pm b/perl-xCAT-2.0/xCAT/PPCscan.pm
index 704af4836..dada15f92 100644
--- a/perl-xCAT-2.0/xCAT/PPCscan.pm
+++ b/perl-xCAT-2.0/xCAT/PPCscan.pm
@@ -38,7 +38,7 @@ sub parse_args {
     #############################################
     local *usage = sub {
         return( [ $_[0],
-            "rscan -h",
+            "rscan -h|--help",
             "rscan -v|--version",
             "rscan [-V|--verbose] noderange [-w][-x|-z]",
             "    -h   writes usage information to standard output",