diff --git a/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php b/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
index 144fb232..c5af9f8a 100644
--- a/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
+++ b/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
@@ -128,7 +128,7 @@ class IcalService implements SingletonInterface
 
         foreach ($events as $event) {
             /** @var Contingent $event */
-            if (null === $item && Contingent::STATUS_BLOCKED === $event->getStatus()) {
+            if (null === $item && (Contingent::STATUS_BLOCKED === $event->getStatus() || Contingent::STATUS_ONREQUEST === $event->getStatus())) {
                 $item = [
                     'from' => $event->getBegin(),
                 ];
@@ -162,6 +162,10 @@ class IcalService implements SingletonInterface
      */
     protected function addOccupancyItem( array $item): void
     {
+        if (0 === $item['occupancy']) {
+            return;
+        }
+
         $summary = sprintf('Part-occupied:%d', $item['occupancy']);
 
         try {