diff --git a/eZ/Bundle/EzPublishCoreBundle/EventListener/SessionInitByPostListener.php b/eZ/Bundle/EzPublishCoreBundle/EventListener/SessionInitByPostListener.php
index 3c9beb91e0..5048b939de 100644
--- a/eZ/Bundle/EzPublishCoreBundle/EventListener/SessionInitByPostListener.php
+++ b/eZ/Bundle/EzPublishCoreBundle/EventListener/SessionInitByPostListener.php
@@ -27,9 +27,12 @@ public static function getSubscribedEvents()
     public function onSiteAccessMatch(PostSiteAccessMatchEvent $event)
     {
         $request = $event->getRequest();
-        $session = $request->getSession();
+        $session = null;
+        if ($request->hasSession()) {
+            $session = $request->getSession();
+        }
 
-        if (!$session || $event->getRequestType() !== HttpKernelInterface::MAIN_REQUEST) {
+        if (null === $session || $event->getRequestType() !== HttpKernelInterface::MAIN_REQUEST) {
             return;
         }
 
diff --git a/eZ/Bundle/EzPublishCoreBundle/Tests/EventListener/SessionInitByPostListenerTest.php b/eZ/Bundle/EzPublishCoreBundle/Tests/EventListener/SessionInitByPostListenerTest.php
index c5ce15ea8d..76e3cbc50c 100644
--- a/eZ/Bundle/EzPublishCoreBundle/Tests/EventListener/SessionInitByPostListenerTest.php
+++ b/eZ/Bundle/EzPublishCoreBundle/Tests/EventListener/SessionInitByPostListenerTest.php
@@ -117,4 +117,12 @@ public function testOnSiteAccessMatchNewSessionName()
 
         $this->listener->onSiteAccessMatch($event);
     }
+
+    public function testOnSiteAccessMatchNoSession(): void
+    {
+        $request = new Request();
+
+        $event = new PostSiteAccessMatchEvent(new SiteAccess('test'), $request, HttpKernelInterface::MAIN_REQUEST);
+        $this->listener->onSiteAccessMatch($event);
+    }
 }