diff --git a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
index 213e8b919..9be3b7144 100644
--- a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
@@ -364,7 +364,7 @@ final class ActivityController extends AbstractController
         $activityData = null;
 
         if ($request->query->has('activityData')) {
-            $activityData = $request->query->get('activityData');
+            $activityData = $request->query->all('activityData');
         }
 
         if (
diff --git a/src/Bundle/ChillTaskBundle/Resources/views/SingleTask/_transition.html.twig b/src/Bundle/ChillTaskBundle/Resources/views/SingleTask/_transition.html.twig
index 8f6345352..4985cf0e5 100644
--- a/src/Bundle/ChillTaskBundle/Resources/views/SingleTask/_transition.html.twig
+++ b/src/Bundle/ChillTaskBundle/Resources/views/SingleTask/_transition.html.twig
@@ -11,7 +11,7 @@
 
 <ul class="record_actions">
 	<li class="cancel">
-		<a href="{{ path('chill_task_singletask_list', app.request.query.get('list_params', { }) ) }}" class="btn btn-cancel">
+		<a href="{{ path('chill_task_singletask_list', app.request.query.all('list_params', { }) ) }}" class="btn btn-cancel">
 			{{ 'Back to the list'|trans }}
 		</a>
 	</li>