diff --git a/app/controllers/api/v1/speakers_controller.rb b/app/controllers/api/v1/speakers_controller.rb
index 92eadb2c..ea76a32b 100644
--- a/app/controllers/api/v1/speakers_controller.rb
+++ b/app/controllers/api/v1/speakers_controller.rb
@@ -18,7 +18,10 @@ module Api
         end
 
         users = users.where(event_users: {event_role: :speaker}).uniq
-        render json: users, each_serializer: SpeakerSerializer, callback: params['callback']
+        render json:            users,
+               each_serializer: SpeakerSerializer,
+               callback:        params['callback'],
+               root:            'speakers'
       end
     end
   end
diff --git a/app/serializers/conferences_array_serializer.rb b/app/serializers/conferences_array_serializer.rb
index 8ca8df53..4264daf9 100644
--- a/app/serializers/conferences_array_serializer.rb
+++ b/app/serializers/conferences_array_serializer.rb
@@ -3,7 +3,7 @@
 #
 # Needed in order to add the API version number to the conferences array
 #
-class ConferencesArraySerializer < ActiveModel::ArraySerializer
+class ConferencesArraySerializer < ActiveModel::Serializer::CollectionSerializer
   def as_json(*args)
     json = super
     json.merge!(version: 1)
diff --git a/config/initializers/serializer.rb b/config/initializers/serializer.rb
new file mode 100644
index 00000000..aba3586b
--- /dev/null
+++ b/config/initializers/serializer.rb
@@ -0,0 +1 @@
+ActiveModelSerializers.config.adapter = :json