diff --git a/app/controllers/ajax/anonymous_block_controller.rb b/app/controllers/ajax/anonymous_block_controller.rb
index 8458e47f..6ae84141 100644
--- a/app/controllers/ajax/anonymous_block_controller.rb
+++ b/app/controllers/ajax/anonymous_block_controller.rb
@@ -8,7 +8,7 @@ class Ajax::AnonymousBlockController < AjaxController
 
     AnonymousBlock.create!(
       user:       current_user,
-      identifier: AnonymousBlock.get_identifier(question.author_identifier),
+      identifier: question.author_identifier,
       question:   question
     )