diff --git a/lib/roar/json/json_api.rb b/lib/roar/json/json_api.rb
index f0dfe174..4ba96fa9 100644
--- a/lib/roar/json/json_api.rb
+++ b/lib/roar/json/json_api.rb
@@ -141,8 +141,9 @@ module Fragment
       module Options
         # TODO: make sure we don't change original params options.
         Include = ->(options, decorator) do
-          return options unless fields = options[:fields]
           return options unless included = options[:include]
+          included << :id # FIXME: changes original options.
+          return options unless fields = options[:fields]
 
           internal_options = {}
           internal_options[:include] = [*included, :included]
@@ -152,7 +153,7 @@ module Options
           fields.each do |k,v|
             internal_options[:included][k] = {include: v+[:id]}
           end
-          # pp internal_options
+           # pp internal_options
           options.merge(internal_options)
         end
       end
diff --git a/test/jsonapi/fieldsets_test.rb b/test/jsonapi/fieldsets_test.rb
index 19127b8c..b784376f 100644
--- a/test/jsonapi/fieldsets_test.rb
+++ b/test/jsonapi/fieldsets_test.rb
@@ -40,7 +40,7 @@ class DocumentSingleResourceObjectDecorator < Roar::Decorator
 
     it "includes scalars" do
       DocumentSingleResourceObjectDecorator.new(article).
-        to_json(include: [:title, :id]).
+        to_json(include: [:title]).
         must_equal( {
           "data" => {
             "type" => "articles",
@@ -78,7 +78,7 @@ class DocumentSingleResourceObjectDecorator < Roar::Decorator
     it "includes other compound objects" do
       DocumentSingleResourceObjectDecorator.new(article).
         to_hash(
-          include:  [:id, :title, :included],
+          include:  [:title, :included],
           included: {include: [:author]}).
         must_equal Hash[{
           :data=>
@@ -96,7 +96,7 @@ class DocumentSingleResourceObjectDecorator < Roar::Decorator
       it "supports :includes" do
         DocumentSingleResourceObjectDecorator.for_collection.new([article]).
           to_hash(
-            include:  [:id, :title, :included],
+            include:  [:title, :included],
             included: {include: [:author]}).
           must_equal Hash[{
             :data=>[
@@ -113,7 +113,7 @@ class DocumentSingleResourceObjectDecorator < Roar::Decorator
       it "blaaaaaaa" do
         DocumentSingleResourceObjectDecorator.for_collection.new([article]).
           to_hash(
-            include:  [:id, :title, :author],
+            include:  [:title, :author],
             fields: {author: [:email]}
           ).
           must_equal Hash[{