Fix invalid header creation for date separators

1 files changed, 1 insertions, 1 deletions

diff --git a/main/src/ui/conversation_summary/date_separator_populator.vala b/main/src/ui/conversation_summary/date_separator_populator.vala
index f1ad17ef..3ddb0d9a 100644
--- a/main/src/ui/conversation_summary/date_separator_populator.vala
+++ b/main/src/ui/conversation_summary/date_separator_populator.vala
@@ -36,7 +36,7 @@ class DateSeparatorPopulator : Plugins.ConversationItemPopulator, Plugins.Conver
     public void populate_timespan(Conversation conversation, DateTime after, DateTime before) { }
 
     private void on_inserted_item(Plugins.MetaConversationItem item) {
-        if (item.display_time == null) return;
+        if (!(item is ContentMetaItem)) return;
 
         DateTime time = item.sort_time.to_local();
         DateTime msg_date = new DateTime.local(time.get_year(), time.get_month(), time.get_day_of_month(), 0, 0, 0);