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-rw-r--r--program/steps/mail/show.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 552c180f5..1947c0f29 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -109,7 +109,7 @@ if ($uid) {
$OUTPUT->set_env('skip_deleted', true);
if ($CONFIG['display_next'])
$OUTPUT->set_env('display_next', true);
- if ($MESSAGE->headers->others['list-post'])
+ if ($MESSAGE->headers->get('list-post', false))
$OUTPUT->set_env('list_post', true);
if ($CONFIG['forward_attachment'])
$OUTPUT->set_env('forward_attachment', true);