diff --git a/user.py b/user.py
index 0322ae7..2cea93f 100644
--- a/user.py
+++ b/user.py
@@ -324,6 +324,8 @@ def make_user_index_page(session, mode):
                     if parent_post.issueid:
                         parent_title = f'[#{parent_post.issueid}] ' + parent_title
                 else:
+                    if not session.user or session.user.id != cmt.user:
+                        continue # Don't show other people's comments on deleted posts.
                     parent_title = f"Deleted post (ID:{cur_parent})"
                 page += f"\n{parent_title}\n"
             cmt_ymd = cmt.ymd_date(tz=session.tz)