diff --git a/xCAT-client/sbin/dumpxCATdb b/xCAT-client/sbin/dumpxCATdb
index 012010650..af1c8a0b7 100644
--- a/xCAT-client/sbin/dumpxCATdb
+++ b/xCAT-client/sbin/dumpxCATdb
@@ -309,7 +309,7 @@ sub PG_bindump
     
     # create backup file name
     my $backupfile="$::PATH/pgbackup.$$";
-    my $cmd="$pgcmddir/pg_dump xcatdb -f $backupfile -U postgres -F custom";
+    my $cmd="$pgcmddir/pg_dump $dbname -f $backupfile -U postgres -F custom";
     my $info=xCAT::Utils->runcmd($cmd, -1);
     if ($::RUNCMD_RC != 0) {
       xCAT::MsgUtils->message("E", "$cmd failed");