diff --git a/lib/jsonapi/consumer/helpers/dynamic_attributes.rb b/lib/jsonapi/consumer/helpers/dynamic_attributes.rb
index cd8e147..91e8b13 100755
--- a/lib/jsonapi/consumer/helpers/dynamic_attributes.rb
+++ b/lib/jsonapi/consumer/helpers/dynamic_attributes.rb
@@ -7,7 +7,7 @@ def attributes
       end
 
       def attributes=(attrs = {})
-        @attributes ||= ActiveSupport::HashWithIndifferentAccess.new
+        @attributes ||= ActiveSupport::HashWithIndifferentAccess.new(attrs)
 
         return @attributes unless attrs.present?
         attrs.each do |key, value|