diff --git a/CHANGELOG.md b/CHANGELOG.md
index 519fdfeca..44e84aef8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,3 +18,7 @@ Version 1.5.5
 - Fix error on the "see more" link which was not showed
 - Layout of the task list
 
+branch `master`
+==============
+
+- fix: validation error on warning date interval is not shown
diff --git a/Controller/SingleTaskController.php b/Controller/SingleTaskController.php
index 5a7d2e3f2..ac8e72717 100644
--- a/Controller/SingleTaskController.php
+++ b/Controller/SingleTaskController.php
@@ -72,7 +72,7 @@ class SingleTaskController extends Controller
         $form = $this->setCreateForm($task, new Role(TaskVoter::CREATE));
 
         $form->handleRequest($request);
-
+        
         if ($form->isSubmitted()) {
             if ($form->isValid()) {
                 $em = $this->getDoctrine()->getManager();
diff --git a/Resources/views/SingleTask/new.html.twig b/Resources/views/SingleTask/new.html.twig
index 32c8226b8..1f054820c 100644
--- a/Resources/views/SingleTask/new.html.twig
+++ b/Resources/views/SingleTask/new.html.twig
@@ -25,6 +25,8 @@
 <h1 class="chill-red">{{ 'New task'|trans }}</h1>
 
     {{ form_start(form) }}
+    
+    {{ form_errors(form) }}
 
     {{ form_row(form.title) }}
     {{ form_row(form.description) }}