diff --git a/.travis.yml b/.travis.yml
index 7dfd662c..f9bf5a3c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,8 @@ matrix:
       env: SYMFONY_VERSION=2.8.*
     - php: 7.0
       env: SYMFONY_VERSION=3.0.*
+    - php: 7.1
+      env: DEPENDENCIES=beta
 
   allow_failures:
     - php: nightly
@@ -42,6 +44,7 @@ env:
 
 before_install:
   - phpenv config-rm xdebug.ini || echo "xdebug not available";
+  - if [ "$DEPENDENCIES" = "beta" ]; then perl -pi -e 's/^}$/,"minimum-stability":"beta"}/' composer.json; fi;
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require --no-update symfony/framework-bundle "$SYMFONY_VERSION"; fi
   - if [ "$COMPOSER_FLAGS" != "" ]; then composer update --prefer-dist --no-interaction --no-scripts $COMPOSER_FLAGS; fi;
 
diff --git a/DependencyInjection/OldSoundRabbitMqExtension.php b/DependencyInjection/OldSoundRabbitMqExtension.php
index e7fe4bfe..86f8e4d7 100644
--- a/DependencyInjection/OldSoundRabbitMqExtension.php
+++ b/DependencyInjection/OldSoundRabbitMqExtension.php
@@ -255,7 +255,7 @@ protected function loadMultipleConsumers()
             foreach ($consumer['queues'] as $queueName => $queueOptions) {
                 $queues[$queueOptions['name']] = $queueOptions;
                 $queues[$queueOptions['name']]['callback'] = array(new Reference($queueOptions['callback']), 'execute');
-                $callbacks[] = new Reference($queueOptions['callback']);
+                $callbacks[] = $queueOptions['callback'];
             }
 
             $definition = new Definition('%old_sound_rabbit_mq.multi_consumer.class%');