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-rw-r--r--program/steps/addressbook/func.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/steps/addressbook/func.inc b/program/steps/addressbook/func.inc
index 0a5a02287..b74b45f79 100644
--- a/program/steps/addressbook/func.inc
+++ b/program/steps/addressbook/func.inc
@@ -199,7 +199,7 @@ function rcmail_directory_list($attrib)
$current = get_input_value('_source', RCUBE_INPUT_GPC);
foreach ($sources as $j => $source) {
- $id = strval($source['id'] ? $source['id'] : $j);
+ $id = strval(strlen($source['id']) ? $source['id'] : $j);
$js_id = JQ($id);
// set class name(s)