diff --git a/app/controllers/anonymous_block_controller.rb b/app/controllers/anonymous_block_controller.rb
index 404d396e..1daf9d8c 100644
--- a/app/controllers/anonymous_block_controller.rb
+++ b/app/controllers/anonymous_block_controller.rb
@@ -12,7 +12,8 @@ class AnonymousBlockController < ApplicationController
     AnonymousBlock.create!(
       user:       params[:global] ? nil : current_user,
       identifier: question.author_identifier,
-      question:
+      question:,
+      target_user: question.user
     )
 
     inbox_id = question.inboxes.first.id
diff --git a/lib/use_case/question/create.rb b/lib/use_case/question/create.rb
index eb085350..5c9659fb 100644
--- a/lib/use_case/question/create.rb
+++ b/lib/use_case/question/create.rb
@@ -82,7 +82,8 @@ module UseCase
 
       def filtered?(question)
         target_user.mute_rules.any? { |rule| rule.applies_to? question } ||
-          (anonymous && AnonymousBlock.where(identifier: question.author_identifier, user_id: [target_user.id, nil]).any?)
+          (anonymous && AnonymousBlock.where(identifier: question.author_identifier, user_id: [target_user.id, nil]).any?) ||
+          (source_user_id && anonymous && AnonymousBlock.where(target_user_id: [source_user_id, nil], user_id: [target_user.id, nil]).any?)
       end
 
       def source_user