diff --git a/bp/calendar_entry/services/post_associations.py b/bp/calendar_entry/services/post_associations.py
index 0d60b2d..8796b73 100644
--- a/bp/calendar_entry/services/post_associations.py
+++ b/bp/calendar_entry/services/post_associations.py
@@ -97,7 +97,7 @@ async def get_entry_posts(
     """
     result = await session.execute(
         select(Post)
-        .join(CalendarEntryPost)
+        .join(CalendarEntryPost, (CalendarEntryPost.content_id == Post.id) & (CalendarEntryPost.content_type == "post"))
         .where(
             CalendarEntryPost.entry_id == entry_id,
             CalendarEntryPost.deleted_at.is_(None)