diff --git a/perl-xCAT/xCAT/PPCcfg.pm b/perl-xCAT/xCAT/PPCcfg.pm
index 0c4e79a27..4ee4c1f15 100644
--- a/perl-xCAT/xCAT/PPCcfg.pm
+++ b/perl-xCAT/xCAT/PPCcfg.pm
@@ -445,6 +445,7 @@ sub sshcfg {
     # Determine if SSH is enabled 
     #####################################
     if ( !defined( $mode )) {
+        my ($keytype, $key_string) = split  /\ /, $sshkey;
         xCAT::MsgUtils->verbose_message($request, "rspconfig :check sshcfg for user:$logon on node:$server.");
         my $result = xCAT::PPCcli::send_cmd( $exp, "cat $auth" );
         my $Rc = shift(@$result);        
@@ -459,7 +460,8 @@ sub sshcfg {
         # Find logon in key file 
         #################################
         foreach ( @$result ) {
-            if ( /$logon$/ ) {
+            my ($tmp1, $tmp2) = split /\ /, $_;
+            if ( "$tmp2" eq "$key_string" ) {
                 return( [[$server,"enabled",SUCCESS]] );
             }
         }