diff --git a/app/jobs/regular/post_alert.rb b/app/jobs/regular/post_alert.rb
index 6d319b75a10..d17ba0ca9cc 100644
--- a/app/jobs/regular/post_alert.rb
+++ b/app/jobs/regular/post_alert.rb
@@ -4,7 +4,8 @@ module Jobs
     def execute(args)
       # maybe it was removed by the time we are making the post
       if post = Post.find_by(id: args[:post_id])
-        PostAlerter.post_created(post)
+        # maybe the topic was deleted, so skip in that case as well
+        PostAlerter.post_created(post) if post.topic
       end
     end