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-rw-r--r--program/steps/settings/edit_folder.inc4
1 files changed, 1 insertions, 3 deletions
diff --git a/program/steps/settings/edit_folder.inc b/program/steps/settings/edit_folder.inc
index ca07b04bc..2842b356d 100644
--- a/program/steps/settings/edit_folder.inc
+++ b/program/steps/settings/edit_folder.inc
@@ -39,9 +39,7 @@ function rcube_folder_form($attrib)
$delimiter = $RCMAIL->imap->get_hierarchy_delimiter();
$special = (strlen($mbox_imap) && in_array($mbox_imap, (array) $RCMAIL->config->get('default_imap_folders')));
$protected = ($special && $RCMAIL->config->get('protect_default_folders'));
- $threading_supported = $RCMAIL->imap->get_capability('thread=references')
- || $RCMAIL->imap->get_capability('thread=orderedsubject')
- || $RCMAIL->imap->get_capability('thread=refs');
+ $threading_supported = $RCMAIL->imap->get_capability('THREAD');
// Get mailbox stats (messages count, etc.), mailbox name and parent
if (strlen($mbox)) {