1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb
index 1fe5d9de20..9b1bfa1145 100644
--- a/activerecord/lib/active_record/attribute_methods/serialization.rb
+++ b/activerecord/lib/active_record/attribute_methods/serialization.rb
@@ -110,6 +110,14 @@ module ActiveRecord
           super
         end
       end
+
+      def read_attribute_before_type_cast(attr_name)
+        if serialized_attributes.include?(attr_name)
+          super.unserialized_value
+        else
+          super
+        end
+      end
     end
   end
 end