diff --git a/test/action_controller/json_api/linked_test.rb b/test/action_controller/json_api/linked_test.rb
index 376bea20c..ba317e212 100644
--- a/test/action_controller/json_api/linked_test.rb
+++ b/test/action_controller/json_api/linked_test.rb
@@ -53,7 +53,7 @@ def render_resource_with_nested_include
 
           def render_resource_with_nested_has_many_include
             setup_post
-            render json: @post, include: [author: [:roles]], adapter: :json_api
+            render json: @post, include: 'author.roles', adapter: :json_api
           end
 
           def render_resource_with_missing_nested_has_many_include
@@ -75,7 +75,7 @@ def render_collection_without_include
 
           def render_collection_with_include
             setup_post
-            render json: [@post], include: [:author, :comments], adapter: :json_api
+            render json: [@post], include: 'author, comments', adapter: :json_api
           end
         end