diff --git a/app/controllers/ajax/anonymous_block_controller.rb b/app/controllers/ajax/anonymous_block_controller.rb
index b9262264..8458e47f 100644
--- a/app/controllers/ajax/anonymous_block_controller.rb
+++ b/app/controllers/ajax/anonymous_block_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Ajax::AnonymousBlockController < AjaxController
   def create
     params.require :question
@@ -7,7 +9,7 @@ class Ajax::AnonymousBlockController < AjaxController
     AnonymousBlock.create!(
       user:       current_user,
       identifier: AnonymousBlock.get_identifier(question.author_identifier),
-      question:   question,
+      question:   question
     )
 
     question.inboxes.first.destroy
diff --git a/app/controllers/ajax/question_controller.rb b/app/controllers/ajax/question_controller.rb
index 69636c22..66ed7d58 100644
--- a/app/controllers/ajax/question_controller.rb
+++ b/app/controllers/ajax/question_controller.rb
@@ -40,7 +40,7 @@ class Ajax::QuestionController < AjaxController
                                   author_is_anonymous: author_is_anonymous,
                                   author_identifier:   AnonymousBlock.get_identifier(request.ip),
                                   user:                current_user,
-                                  direct:              params[:rcpt] != 'followers')
+                                  direct:              params[:rcpt] != "followers")
     rescue ActiveRecord::RecordInvalid => e
       Sentry.capture_exception(e)
       @response[:status] = :rec_inv
diff --git a/app/models/anonymous_block.rb b/app/models/anonymous_block.rb
index a6f51e5d..087b7b8c 100644
--- a/app/models/anonymous_block.rb
+++ b/app/models/anonymous_block.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class AnonymousBlock < ApplicationRecord
   belongs_to :user
   belongs_to :question, optional: true
diff --git a/db/migrate/20220613221551_rename_author_email_to_author_identifier.rb b/db/migrate/20220613221551_rename_author_email_to_author_identifier.rb
index 17759871..55c3199f 100644
--- a/db/migrate/20220613221551_rename_author_email_to_author_identifier.rb
+++ b/db/migrate/20220613221551_rename_author_email_to_author_identifier.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class RenameAuthorEmailToAuthorIdentifier < ActiveRecord::Migration[6.1]
   def change
     rename_column :questions, :author_email, :author_identifier
diff --git a/db/migrate/20220614141439_create_anonymous_blocks.rb b/db/migrate/20220614141439_create_anonymous_blocks.rb
index a9405039..c6609063 100644
--- a/db/migrate/20220614141439_create_anonymous_blocks.rb
+++ b/db/migrate/20220614141439_create_anonymous_blocks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class CreateAnonymousBlocks < ActiveRecord::Migration[6.1]
   def change
     create_table :anonymous_blocks do |t|
diff --git a/spec/controllers/ajax/anonymous_block_controller_spec.rb b/spec/controllers/ajax/anonymous_block_controller_spec.rb
index 97537bae..24730037 100644
--- a/spec/controllers/ajax/anonymous_block_controller_spec.rb
+++ b/spec/controllers/ajax/anonymous_block_controller_spec.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require "rails_helper"
 
 describe Ajax::AnonymousBlockController, :ajax_controller, type: :controller do
diff --git a/spec/controllers/ajax/question_controller_spec.rb b/spec/controllers/ajax/question_controller_spec.rb
index af936378..d4eb9f43 100644
--- a/spec/controllers/ajax/question_controller_spec.rb
+++ b/spec/controllers/ajax/question_controller_spec.rb
@@ -266,7 +266,7 @@ describe Ajax::QuestionController, :ajax_controller, type: :controller do
               AnonymousBlock.create(
                 user:       target_user,
                 identifier: identifier,
-                question:   dummy_question,
+                question:   dummy_question
               )
             end