diff --git a/xCAT-server/lib/xcat/plugins/mknb.pm b/xCAT-server/lib/xcat/plugins/mknb.pm
index 16488ddaf..a2d8a33eb 100644
--- a/xCAT-server/lib/xcat/plugins/mknb.pm
+++ b/xCAT-server/lib/xcat/plugins/mknb.pm
@@ -121,12 +121,12 @@ sub process_request {
 	} else {
 		$done = 1;
 	}
+	}
 		
        if (not $done) {
        $callback->({data=>["Creating genesis.fs.$arch.gz in $tftpdir/xcat"]});
        system("cd $tempdir; find . | cpio -o -H newc | gzip -9 > $tftpdir/xcat/genesis.fs.$arch.gz");
 	}
-     }
    } else {
    	$callback->({data=>["Creating nbfs.$arch.gz in $tftpdir/xcat"]});
        system("cd $tempdir; find . | cpio -o -H newc | gzip -9 > $tftpdir/xcat/nbfs.$arch.gz");