diff --git a/src/App.vue b/src/App.vue
index 484f0625b9b..858f33a1a6a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -543,6 +543,7 @@ export default {
 				if (event.notification.objectType === 'remote_talk_share') {
 					try {
 						event.cancelAction = true
+						this.federationStore.addInvitationFromNotification(event.notification)
 						const conversation = await this.federationStore.acceptShare(event.notification.objectId)
 						if (conversation.token) {
 							this.$store.dispatch('addConversation', conversation)
@@ -559,7 +560,8 @@ export default {
 				if (event.notification.objectType === 'remote_talk_share') {
 					try {
 						event.cancelAction = true
-						this.federationStore.rejectShare(event.notification.objectId)
+						this.federationStore.addInvitationFromNotification(event.notification)
+						await this.federationStore.rejectShare(event.notification.objectId)
 					} catch (error) {
 						console.error(error)
 					}
diff --git a/src/services/federationService.ts b/src/services/federationService.ts
index ff76e6ffd56..754ae52755d 100644
--- a/src/services/federationService.ts
+++ b/src/services/federationService.ts
@@ -23,7 +23,7 @@ const getShares = async function(options?: object): getSharesResponse {
  * @param id invitation id;
  * @param [options] options;
  */
-const acceptShare = async function(id: number, options?: object): acceptShareResponse {
+const acceptShare = async function(id: string | number, options?: object): acceptShareResponse {
 	return axios.post(generateOcsUrl('apps/spreed/api/v1/federation/invitation/{id}', { id }, options), {}, options)
 }
 
@@ -33,7 +33,7 @@ const acceptShare = async function(id: number, options?: object): acceptShareRes
  * @param id invitation id;
  * @param [options] options;
  */
-const rejectShare = async function(id: number, options?: object): rejectShareResponse {
+const rejectShare = async function(id: string | number, options?: object): rejectShareResponse {
 	return axios.delete(generateOcsUrl('apps/spreed/api/v1/federation/invitation/{id}', { id }, options), options)
 }
 
diff --git a/src/stores/__tests__/federation.spec.js b/src/stores/__tests__/federation.spec.js
index f9fa443f965..3aae72463e6 100644
--- a/src/stores/__tests__/federation.spec.js
+++ b/src/stores/__tests__/federation.spec.js
@@ -168,7 +168,7 @@ describe('federationStore', () => {
 		// Assert
 		expect(federationStore.pendingShares).toMatchObject({
 			[invites[0].id]: invites[0],
-			[notifications[1].objectId]: { id: notifications[1].objectId },
+			[notifications[1].objectId]: { id: +notifications[1].objectId },
 		})
 		expect(federationStore.acceptedShares).toMatchObject({ [invites[1].id]: invites[1] })
 		expect(federationStore.pendingSharesCount).toBe(2)
diff --git a/src/stores/federation.ts b/src/stores/federation.ts
index c92a625f549..dbb9ae67788 100644
--- a/src/stores/federation.ts
+++ b/src/stores/federation.ts
@@ -62,7 +62,7 @@ export const useFederationStore = defineStore('federation', {
 			const [remoteServerUrl, remoteToken] = notification.messageRichParameters.roomName.id.split('::')
 			const { id, name } = notification.messageRichParameters.user1
 			const invitation: FederationInvite = {
-				id: notification.objectId,
+				id: +notification.objectId,
 				localToken: '',
 				localCloudId: notification.user + '@' + getBaseUrl().replace('https://', ''),
 				remoteAttendeeId: 0,
@@ -84,7 +84,7 @@ export const useFederationStore = defineStore('federation', {
 		 * @param id invitation id
 		 * @param conversation conversation object
 		 */
-		markInvitationAccepted(id: number, conversation: Conversation) {
+		markInvitationAccepted(id: string | number, conversation: Conversation) {
 			if (!this.pendingShares[id]) {
 				return
 			}
@@ -102,7 +102,7 @@ export const useFederationStore = defineStore('federation', {
 		 *
 		 * @param id invitation id
 		 */
-		async acceptShare(id: number): Promise<Conversation | undefined> {
+		async acceptShare(id: string | number): Promise<Conversation | undefined> {
 			if (!this.pendingShares[id]) {
 				return
 			}
@@ -128,7 +128,7 @@ export const useFederationStore = defineStore('federation', {
 		 *
 		 * @param id invitation id
 		 */
-		async rejectShare(id: number) {
+		async rejectShare(id: string | number) {
 			if (!this.pendingShares[id]) {
 				return
 			}
diff --git a/src/types/index.ts b/src/types/index.ts
index ec349372fed..71147a5dd9e 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -33,7 +33,7 @@ export type Notification<T = Record<string, RichObject & Record<string, unknown>
 	user: string,
 	datetime: string,
 	objectType: string,
-	objectId: number,
+	objectId: string,
 	subject: string,
 	message: string,
 	link: string,