diff --git a/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php b/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
index 1ab2507a..e8f2ac48 100644
--- a/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
+++ b/public/typo3conf/ext/ep_products/Classes/Service/IcalService.php
@@ -71,29 +71,37 @@ class IcalService implements SingletonInterface
 
         $vcalendar = $this->createCalendarInstance();
 
-        $dateStart = $dateEnd = null;
+        $paxOccupiedCurrent = $dateStart = $dateEnd = null;
 
         foreach ($events as $event) {
             /** @var Contingent $event */
             $paxTotal = $event->getPax();
-            $paxAvaiable = $event->getAvailable();
+            $paxAvailable = $event->getAvailable();
 
-            $percentageBooked = 100;
-
-            if ($paxTotal > 0 && Contingent::STATUS_BLOCKED !== $event->getStatus()) {
-                $percentageBooked = 100 - round($paxAvaiable / $paxTotal * 100);
+            if (Contingent::STATUS_BLOCKED === $event->getStatus()) {
+                $paxOccupied = $paxTotal;
+            } else {
+                $paxOccupied = $paxTotal - $paxAvailable;
             }
 
-            if ($percentageBooked >= self::THRESHOLD) {
-                if (null !== $dateStart) {
-                    continue;
+            if ($paxOccupied !== $paxOccupiedCurrent) {
+                if (null === $dateStart) {
+                    $dateStart = $event->getBegin();
+                } else {
+                    $dateEnd = $event->getEnd();
+                    if ($paxOccupiedCurrent > 0) {
+                        $this->addCalendarItem(
+                            $vcalendar,
+                            $dateStart,
+                            $dateEnd,
+                            $paxOccupiedCurrent
+                        );
+                    }
+                    $dateStart = $dateEnd = null;
                 }
-                $dateStart = $event->getBegin();
-            } elseif (null !== $dateStart) {
-                $dateEnd = $event->getEnd();
-                $this->addCalendarItem($vcalendar, $dateStart, $dateEnd);
-                $dateStart = $dateEnd = null;
             }
+
+            $paxOccupiedCurrent = $paxOccupied;
         }
 
         try {
@@ -110,20 +118,16 @@ class IcalService implements SingletonInterface
      * @param Vcalendar $vcalendar
      * @param \DateTime $dateStart
      * @param \DateTime $dateEnd
+     * @param int $pax
      */
-    protected function addCalendarItem(Vcalendar $vcalendar, \DateTime $dateStart, \DateTime $dateEnd): void
+    protected function addCalendarItem(Vcalendar $vcalendar, \DateTime $dateStart, \DateTime $dateEnd, int $pax): void
     {
         try {
             $vcalendar
                 ->newVevent()
                 ->setDtstart($dateStart)
                 ->setDtend($dateEnd)
-                ->setSummary('Unavailable')
-                ->setDescription(sprintf(
-                    'Unavailable from %s to %s',
-                    $dateStart->format('d M Y'),
-                    $dateEnd->format('d.M Y')
-                ))
+                ->setDescription(sprintf('Part-occupied:%d', $pax))
             ;
         }
         catch (\Exception $e) {
@@ -143,4 +147,4 @@ class IcalService implements SingletonInterface
 
         return $vcalendar;
     }
-}
\ No newline at end of file
+}