diff --git a/src/Mealz/MealBundle/Controller/EventController.php b/src/Mealz/MealBundle/Controller/EventController.php
index 65b4b68a9..b6911c9e0 100644
--- a/src/Mealz/MealBundle/Controller/EventController.php
+++ b/src/Mealz/MealBundle/Controller/EventController.php
@@ -110,7 +110,7 @@ public function join(DateTime $date, int $eventId): JsonResponse
         if (new DateTime() > $day->getDateTime()->modify($eventLockModifier)) {
             return new JsonResponse(['message' => '804: User could not join the event'], Response::HTTP_INTERNAL_SERVER_ERROR);
         }
-
+       //  var_dump($day->getDateTime()); exit;
         $eventParticipation = $this->eventPartSrv->join($profile, $day, $eventId);
         if (null === $eventParticipation) {
             return new JsonResponse(['message' => '802: User could not join the event'], Response::HTTP_INTERNAL_SERVER_ERROR);
diff --git a/src/Mealz/MealBundle/Entity/Day.php b/src/Mealz/MealBundle/Entity/Day.php
index 97c6cbdfd..520ee07ef 100644
--- a/src/Mealz/MealBundle/Entity/Day.php
+++ b/src/Mealz/MealBundle/Entity/Day.php
@@ -88,9 +88,9 @@ public function getEvents(): EventCollection
     }
 
 
-    public function getEvent(Day $day, int $id):EventParticipation | null{
+    public function getEvent(int $id):EventParticipation | null{
         foreach ($this->getEvents() as $event) {
-            if($event->getId() === $id && $event->getDay() === $day){
+            if($event->getId() === $id){
                 return $event;
             }
     }
diff --git a/src/Mealz/MealBundle/Service/EventParticipationService.php b/src/Mealz/MealBundle/Service/EventParticipationService.php
index 411d8728a..cd368f113 100644
--- a/src/Mealz/MealBundle/Service/EventParticipationService.php
+++ b/src/Mealz/MealBundle/Service/EventParticipationService.php
@@ -60,7 +60,7 @@ public function getEventParticipationData(Day $day, ?int $eventId = null, ?Profi
         if($eventId === null){
             return $day->getEvents()->toArray();
         } else{
-            $eventParticipation = $day->getEvent($day,$eventId);
+            $eventParticipation = $day->getEvent($eventId);
             if (null === $eventParticipation) {
                 return null;
             }
@@ -81,7 +81,7 @@ public function getEventParticipationData(Day $day, ?int $eventId = null, ?Profi
 
     public function join(Profile $profile, Day $day, int $eventId): ?EventParticipation
     {
-        $eventParticipation = $day->getEvent($day, $eventId);
+        $eventParticipation = $day->getEvent($eventId);
         if (null !== $eventParticipation && true === $this->doorman->isUserAllowedToJoinEvent($eventParticipation)) {
             $participation = $this->createEventParticipation($profile, $eventParticipation);
             $this->em->persist($participation);
@@ -115,7 +115,7 @@ public function joinAsGuest(
 
         try {
             $this->em->persist($guestProfile);
-            $eventParticipation = $eventDay->getEvent($eventDay, $eventId);
+            $eventParticipation = $eventDay->getEvent($eventId);
             $participation = $this->createEventParticipation($guestProfile, $eventParticipation);
 
             $this->em->persist($participation);
@@ -132,7 +132,7 @@ public function joinAsGuest(
 
     public function leave(Profile $profile, Day $day, int $eventId): ?EventParticipation
     {
-        $eventParticipation = $day->getEvent($day, $eventId);
+        $eventParticipation = $day->getEvent( $eventId);
         $participation = $eventParticipation->getParticipant($profile);
 
         if (null !== $participation) {
@@ -152,14 +152,14 @@ public function leave(Profile $profile, Day $day, int $eventId): ?EventParticipa
      */
     public function getParticipants(Day $day, int $eventId): array
     {
-        $eventParticipation = $day->getEvent($day, $eventId);
+        $eventParticipation = $day->getEvent($eventId);
         if (null === $eventParticipation) {
             return [];
         }
 
         return array_map(
             fn (Participant $participant) => $this->getParticipantName($participant),
-            $day->getEvent($day, $eventId)->getParticipants()->toArray()
+            $day->getEvent( $eventId)->getParticipants()->toArray()
         );
     }
 
diff --git a/src/Resources/src/api/getDashboardData.ts b/src/Resources/src/api/getDashboardData.ts
index 8d7032fd2..40e292b8e 100644
--- a/src/Resources/src/api/getDashboardData.ts
+++ b/src/Resources/src/api/getDashboardData.ts
@@ -40,9 +40,7 @@ export type Slot = {
 };
 
 export type EventParticipation = {
-    id: number;
-    event: Event;
-    day: Date;
+    eventId: number;
     participationId: number;
     participations: number;
     isParticipating: boolean;
diff --git a/src/Resources/src/api/postJoinEvent.ts b/src/Resources/src/api/postJoinEvent.ts
index c30c58175..e1e1082ac 100644
--- a/src/Resources/src/api/postJoinEvent.ts
+++ b/src/Resources/src/api/postJoinEvent.ts
@@ -13,8 +13,6 @@ export default async function postJoinEvent(date: string, eventId: number) {
         'POST',
         `api/events/participation/${date}/${eventId}`
     );
-
     await request();
-
     return { error, response };
 }
diff --git a/src/Resources/src/components/dashboard/EventData.vue b/src/Resources/src/components/dashboard/EventData.vue
index fd592bf03..b47f8b308 100644
--- a/src/Resources/src/components/dashboard/EventData.vue
+++ b/src/Resources/src/components/dashboard/EventData.vue
@@ -28,11 +28,11 @@
         <span
           class="inline-block grow self-start break-words text-[12px] font-bold leading-[20px] tracking-[0.5px] text-primary-1 max-[380px]:basis-9/12 min-[380px]:self-center min-[380px]:text-note"
         >
-        {{ getEventById(event?.id ?? -1)?.title }}
+        {{ getEventById(event?.eventId ?? -1)?.title }}
         </span>
         <div class="flex w-fit flex-row items-center gap-1 self-end justify-self-end max-[380px]:basis-3/12">
           <GuestButton
-            v-if="!day.isLocked && day.events.isPublic"
+            v-if="!day.isLocked && event.isPublic"
             :dayID="dayId"
             :index="0"
             :invitation="Invitation.EVENT"
@@ -40,7 +40,7 @@
             class="col-start-1 w-[24px] text-center"
           />
           <EventPopup
-            :event-title="getEventById(event?.id ?? -1)?.title"
+            :event-title="getEventById(event?.eventId ?? -1)?.title"
             :date="day.date.date"
           />
           <ParticipationCounter
@@ -90,9 +90,11 @@ async function handleClick(event: EventParticipation) {
   }
   addLock(props.dayId);
   if (event?.isParticipating === undefined || event?.isParticipating === false) {
-    await joinEvent(props.day.date.date, event.id);
+    await joinEvent(props.day.date.date, event?.participationId);
+    event.isParticipating = true;
   } else {
-    await leaveEvent(props.day.date.date, event.id);
+    await leaveEvent(props.day.date.date,event?.participationId);
+    event.isParticipating = false;
   }
   removeLock(props.dayId);
 }
diff --git a/src/Resources/src/stores/eventsStore.ts b/src/Resources/src/stores/eventsStore.ts
index 1ccd751e3..caa0dc110 100644
--- a/src/Resources/src/stores/eventsStore.ts
+++ b/src/Resources/src/stores/eventsStore.ts
@@ -106,7 +106,7 @@ export function useEvents() {
          * Returns the event with the given id from the EventsState
          * @param eventId The id of the event
          */
-        function getEventById(eventId: number) {
+        function getEventById(eventId: number){
             return EventsState.events.find((event) => event.id === eventId);
         }
 
@@ -189,9 +189,7 @@ export function useEvents() {
      * @param date The date the event is on (format: 'YYYY-mm-dd hh:MM:ss')
      */
     async function joinEvent(date: string, eventId: number) {
-        console.log('Join event im EventStore ' + eventId);
         const { error, response } = await postJoinEvent(date, eventId);
-
         if (error.value === true && isMessage(response.value) === true) {
             EventsState.error = (response.value as IMessage)?.message;
         } else if (error.value === true) {