diff --git a/perl-xCAT/xCAT/DSHCLI.pm b/perl-xCAT/xCAT/DSHCLI.pm
index a4072b9a1..f74ace290 100644
--- a/perl-xCAT/xCAT/DSHCLI.pm
+++ b/perl-xCAT/xCAT/DSHCLI.pm
@@ -4851,7 +4851,7 @@ sub run_rsync_postscripts
 
        # now remove .post from the postscript file for the compare
        # with the returned file name
-       my($tp,$post) = split(/.post/,$tmppostfile);
+       my($tp,$post) = split(/\.post/,$tmppostfile);
        $tmppostfile = $tp;
        foreach my $line (@rsync_output) {
          my($hostname,$ps) = split(/: /, $line);