Fix an SQL error.

diff --git a/remoteglot.pl b/remoteglot.pl
index b9055a64d30616ff945bed8fd59c500ab8eeb62c..f83ac4904c3d75e6f422136df1b6ce0c60a2b9b9 100755 (executable)
--- a/remoteglot.pl
+++ b/remoteglot.pl
@@ -1072,7 +1072,7 @@ sub output_json {
        }
 
        if (exists($pos_calculating->{'history'}) &&
-           defined($remoteglotconf::json_history_dir)) {
+           defined($remoteglotconf::json_history_dir) && defined($json->{'engine'}{name})) {
                my $id = id_for_pos($pos_calculating);
                my $filename = $remoteglotconf::json_history_dir . "/" . $id . ".json";