diff --git a/boards/views/utils.py b/boards/views/utils.py
--- a/boards/views/utils.py
+++ b/boards/views/utils.py
@@ -17,5 +17,8 @@ class UtilsView(BaseBoardView, Dispatche
     def ban_and_delete(self, request):
         post = Post.objects.get(id=request.GET['post_id'])
         Ban.objects.get_or_create(ip=post.poster_ip)
-        post.delete()
+        if post.is_opening():
+            post.get_thread().delete()
+        else:
+            post.delete()