diff --git a/Repository/SingleTaskRepository.php b/Repository/SingleTaskRepository.php
index 9f7d0f0c5..4c802d3d5 100644
--- a/Repository/SingleTaskRepository.php
+++ b/Repository/SingleTaskRepository.php
@@ -48,7 +48,7 @@ class SingleTaskRepository extends \Doctrine\ORM\EntityRepository
      * @param User $currentUser
      * @return int
      */
-    public function countByParameters($params, User $currentUser)
+    public function countByParameters($params, User $currentUser = null)
     {
         $qb = $this->createQueryBuilder('st')
             ->select('COUNT(st)');
@@ -97,9 +97,11 @@ class SingleTaskRepository extends \Doctrine\ORM\EntityRepository
             ;
     }
 
-    protected function buildQuery(QueryBuilder $qb, $params, User $currentUser)
+    protected function buildQuery(QueryBuilder $qb, $params, User $currentUser = null)
     {
-        $this->buildACLQuery($qb, $currentUser);
+        if (NULL !== $currentUser) {
+            $this->buildACLQuery($qb, $currentUser);
+        }
 
         if (\array_key_exists('person', $params) and !empty($params['person'])) {
             $qb->andWhere($qb->expr()->eq('st.person', ':person'));
diff --git a/Resources/config/services/templating.yml b/Resources/config/services/templating.yml
index dca4e36f6..edbe0b1d0 100644
--- a/Resources/config/services/templating.yml
+++ b/Resources/config/services/templating.yml
@@ -4,3 +4,9 @@ services:
             $taskWorkflowManager: '@Chill\TaskBundle\Workflow\TaskWorkflowManager'
         tags:
             - { name: 'twig.extension' }
+            
+    Chill\TaskBundle\Templating\UI\CountNotificationTask:
+        arguments:
+            $singleTaskRepository: '@Chill\TaskBundle\Repository\SingleTaskRepository'
+        tags:
+            - { name: chill_main.count_notification.user }
diff --git a/Templating/UI/CountNotificationTask.php b/Templating/UI/CountNotificationTask.php
new file mode 100644
index 000000000..6ad2dd7f7
--- /dev/null
+++ b/Templating/UI/CountNotificationTask.php
@@ -0,0 +1,63 @@
+<?php
+/*
+ * Copyright (C) 2018 Champs Libres Cooperative <info@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+namespace Chill\TaskBundle\Templating\UI;
+
+use Chill\MainBundle\Templating\UI\NotificationCounterInterface;
+use Chill\MainBundle\Entity\User;
+use Chill\TaskBundle\Repository\SingleTaskRepository;
+
+/**
+ * 
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class CountNotificationTask implements NotificationCounterInterface
+{
+    /**
+     *
+     * @var SingleTaskRepository
+     */
+    protected $singleTaskRepository;
+    
+    public function __construct(SingleTaskRepository $singleTaskRepository)
+    {
+        $this->singleTaskRepository = $singleTaskRepository;
+    }
+
+    
+    public function addNotification(User $u): int
+    {
+        $params = [
+            'user' => $u,
+            'is_closed' => false
+        ];
+        
+        $sum = 0;
+        
+        foreach ([
+            SingleTaskRepository::DATE_STATUS_ENDED, 
+            SingleTaskRepository::DATE_STATUS_WARNING] as $status) {
+
+            $sum += $this->singleTaskRepository->countByParameters(
+                \array_merge($params, [ 'date_status' => $status ])
+                );
+        }
+        
+        return $sum;
+    }
+}