diff --git a/src/Bundle/ChillCalendarBundle/Menu/AccompanyingCourseMenuBuilder.php b/src/Bundle/ChillCalendarBundle/Menu/AccompanyingCourseMenuBuilder.php
index 3bf1850a4..9f5d2c7ca 100644
--- a/src/Bundle/ChillCalendarBundle/Menu/AccompanyingCourseMenuBuilder.php
+++ b/src/Bundle/ChillCalendarBundle/Menu/AccompanyingCourseMenuBuilder.php
@@ -11,44 +11,41 @@ declare(strict_types=1);
 
 namespace Chill\CalendarBundle\Menu;
 
+use Chill\CalendarBundle\Security\Voter\CalendarVoter;
 use Chill\MainBundle\Routing\LocalMenuBuilderInterface;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
 use Knp\Menu\MenuItem;
+use Symfony\Bundle\SecurityBundle\SecurityBundle;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class AccompanyingCourseMenuBuilder implements LocalMenuBuilderInterface
 {
-    protected AuthorizationHelper $authorizationHelper;
-
-    protected TokenStorageInterface $tokenStorage;
+    private Security $security;
 
     protected TranslatorInterface $translator;
 
     public function __construct(
-        TokenStorageInterface $tokenStorage,
-        AuthorizationHelper $authorizationHelper,
+        Security $security,
         TranslatorInterface $translator
     ) {
+        $this->security = $security;
         $this->translator = $translator;
-        $this->authorizationHelper = $authorizationHelper;
-        $this->tokenStorage = $tokenStorage;
     }
 
     public function buildMenu($menuId, MenuItem $menu, array $parameters)
     {
         $period = $parameters['accompanyingCourse'];
 
-        if (AccompanyingPeriod::STEP_DRAFT !== $period->getStep()) {
-            /*
+        if ($this->security->isGranted(CalendarVoter::SEE, $period)) {
             $menu->addChild($this->translator->trans('Calendar'), [
                 'route' => 'chill_calendar_calendar_list',
                 'routeParameters' => [
                     'accompanying_period_id' => $period->getId(),
                 ], ])
                 ->setExtras(['order' => 35]);
-             */
         }
     }
 
diff --git a/src/Bundle/ChillCalendarBundle/Security/Voter/CalendarVoter.php b/src/Bundle/ChillCalendarBundle/Security/Voter/CalendarVoter.php
new file mode 100644
index 000000000..5cfaea172
--- /dev/null
+++ b/src/Bundle/ChillCalendarBundle/Security/Voter/CalendarVoter.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace Chill\CalendarBundle\Security\Voter;
+
+use Chill\MainBundle\Security\Authorization\AbstractChillVoter;
+use Chill\MainBundle\Security\Authorization\VoterHelperFactoryInterface;
+use Chill\MainBundle\Security\Authorization\VoterHelperInterface;
+use Chill\MainBundle\Security\ProvideRoleHierarchyInterface;
+use Chill\PersonBundle\Entity\AccompanyingPeriod;
+use Chill\PersonBundle\Entity\Person;
+use Chill\PersonBundle\Security\Authorization\AccompanyingPeriodVoter;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Security;
+
+class CalendarVoter extends AbstractChillVoter implements ProvideRoleHierarchyInterface
+{
+    public const SEE = 'CHILL_CALENDAR_CALENDAR_SEE';
+
+
+    private Security $security;
+
+    private VoterHelperInterface $voterHelper;
+
+
+    public function __construct(
+        Security $security,
+        VoterHelperFactoryInterface $voterHelperFactory
+    ) {
+        $this->security = $security;
+        $this->voterHelper = $voterHelperFactory
+            ->generate(self::class)
+            ->addCheckFor(AccompanyingPeriod::class, [self::SEE])
+            ->build();
+    }
+
+    public function getRolesWithHierarchy(): array
+    {
+        return ['Calendar' => $this->getRoles()];
+    }
+
+    public function getRoles(): array
+    {
+        return [
+            self::SEE,
+        ];
+    }
+
+    public function getRolesWithoutScope(): array
+    {
+        return [];
+    }
+
+    protected function supports($attribute, $subject): bool
+    {
+        return $this->voterHelper->supports($attribute, $subject);
+    }
+
+    protected function voteOnAttribute($attribute, $subject, TokenInterface $token): bool
+    {
+        if ($subject instanceof AccompanyingPeriod) {
+            switch ($attribute) {
+                case self::SEE:
+
+                    if ($subject->getStep() === AccompanyingPeriod::STEP_DRAFT) {
+                        return false;
+                    }
+
+                    // we first check here that the user has read access to the period
+                    return $this->security->isGranted(AccompanyingPeriodVoter::SEE, $subject);
+                default:
+                    throw new \LogicException('subject not implemented');
+            }
+        }
+
+        throw new \LogicException('attribute not implemented');
+    }
+
+
+}