@ -211,7 +211,10 @@ class rcube_json_output
*/
private function get_js_commands()
{
$out = 'this.set_env('.json_serialize($this->env).");\n";
$out = '';
if (sizeof($this->env))
$out .= 'this.set_env('.json_serialize($this->env).");\n";
foreach($this->texts as $name => $text) {
$out .= sprintf("this.add_label('%s', '%s');\n", $name, JQ($text));