diff --git a/utils/font_helper/.rubocop_todo.yml b/utils/font_helper/.rubocop_todo.yml
index ff02c38..de31eea 100644
--- a/utils/font_helper/.rubocop_todo.yml
+++ b/utils/font_helper/.rubocop_todo.yml
@@ -6,12 +6,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 1
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Style/MapToHash:
-  Exclude:
-    - 'source/font_helper/font.rb'
-
 # Offense count: 2
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
diff --git a/utils/font_helper/source/font_helper/font.rb b/utils/font_helper/source/font_helper/font.rb
index c6099b5..4b789a9 100644
--- a/utils/font_helper/source/font_helper/font.rb
+++ b/utils/font_helper/source/font_helper/font.rb
@@ -9,9 +9,9 @@ class FontHelper
     def initialize(width, height, characters = nil)
       @width = width
       @height = height
-      @characters = characters.map do |character|
+      @characters = characters.to_h do |character|
         [character.code, character]
-      end.to_h
+      end
     end
 
     def <<(character)