Fix #5549.

1 files changed, 6 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index 1548114580..9b3724777a 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -71,22 +71,25 @@ module ActiveRecord
 
             generated_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1
               def __temp__
-                #{internal_attribute_access_code(attr_name, cast_code)}
+                #{internal_attribute_access_code(attr_name, attribute_cast_code(attr_name))}
               end
               alias_method '#{attr_name}', :__temp__
               undef_method :__temp__
             STR
+          end
+
+        private
 
+          def define_external_attribute_method(attr_name)
             generated_external_attribute_methods.module_eval <<-STR, __FILE__, __LINE__ + 1
               def __temp__(v, attributes, attributes_cache, attr_name)
-                #{external_attribute_access_code(attr_name, cast_code)}
+                #{external_attribute_access_code(attr_name, attribute_cast_code(attr_name))}
               end
               alias_method '#{attr_name}', :__temp__
               undef_method :__temp__
             STR
           end
 
-        private
           def cacheable_column?(column)
             attribute_types_cached_by_default.include?(column.type)
           end