lib/jp_prefecture/prefecture.rb in jp_prefecture-0.3.0 vs lib/jp_prefecture/prefecture.rb in jp_prefecture-0.3.1

@@ -92,12 +92,13 @@
 
   protected
 
     # 名前から都道府県コードを検索
     def self.find_code_by_name(name)
-      name.capitalize!
+      result = PREFECTURE_CODE_NAME.select { |_, v|
+        v.has_value?(name.capitalize)
+      }.first
 
-      result = PREFECTURE_CODE_NAME.select { |_, v| v.has_value?(name) }.first
       return if result.nil?
 
       result[0]
     end