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-rw-r--r--program/include/rcube_json_output.php5
1 files changed, 4 insertions, 1 deletions
diff --git a/program/include/rcube_json_output.php b/program/include/rcube_json_output.php
index 04d16bf92..802da2413 100644
--- a/program/include/rcube_json_output.php
+++ b/program/include/rcube_json_output.php
@@ -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));