It was only apparent when sorting by thread date, not sorting by date.
if (summaryview->sort_key == sort_by[type] ||
(summaryview->sort_key == SORT_BY_THREAD_DATE &&
if (summaryview->sort_key == sort_by[type] ||
(summaryview->sort_key == SORT_BY_THREAD_DATE &&
- sort_by[SORT_BY_DATE])) {
+ sort_by[SORT_BY_DATE] && type == S_COL_DATE)) {
arrow = gtk_arrow_new
(summaryview->sort_type == SORT_ASCENDING
? GTK_ARROW_DOWN : GTK_ARROW_UP,
arrow = gtk_arrow_new
(summaryview->sort_type == SORT_ASCENDING
? GTK_ARROW_DOWN : GTK_ARROW_UP,