diff --git a/src/store/conversationsStore.js b/src/store/conversationsStore.js
index 6673cc6653..9e53977f18 100644
--- a/src/store/conversationsStore.js
+++ b/src/store/conversationsStore.js
@@ -625,22 +625,15 @@ const actions = {
 	},
 
 	async toggleLobby({ commit, getters }, { token, enableLobby }) {
-		if (!getters.conversations[token]) {
-			return
-		}
-
 		try {
-			const conversation = Object.assign({}, getters.conversations[token])
+			const response = await changeLobbyState(token, enableLobby ? WEBINAR.LOBBY.NON_MODERATORS : WEBINAR.LOBBY.NONE)
+			commit('addConversation', response.data.ocs.data)
+
 			if (enableLobby) {
-				await changeLobbyState(token, WEBINAR.LOBBY.NON_MODERATORS)
-				conversation.lobbyState = WEBINAR.LOBBY.NON_MODERATORS
 				showSuccess(t('spreed', 'You restricted the conversation to moderators'))
 			} else {
-				await changeLobbyState(token, WEBINAR.LOBBY.NONE)
-				conversation.lobbyState = WEBINAR.LOBBY.NONE
 				showSuccess(t('spreed', 'You opened the conversation to everyone'))
 			}
-			commit('addConversation', conversation)
 		} catch (error) {
 			console.error('Error occurred while updating webinar lobby: ', error)
 			if (enableLobby) {
@@ -721,15 +714,10 @@ const actions = {
 	},
 
 	async setLobbyTimer({ commit, getters }, { token, timestamp }) {
-		if (!getters.conversations[token]) {
-			return
-		}
-
 		try {
-			const conversation = Object.assign({}, getters.conversations[token], { lobbyTimer: timestamp })
 			// The backend requires the state and timestamp to be set together.
-			await changeLobbyState(token, conversation.lobbyState, timestamp)
-			commit('addConversation', conversation)
+			const response = await changeLobbyState(token, WEBINAR.LOBBY.NON_MODERATORS, timestamp)
+			commit('addConversation', response.data.ocs.data)
 		} catch (error) {
 			console.error('Error while updating webinar lobby: ', error)
 		}
diff --git a/src/store/conversationsStore.spec.js b/src/store/conversationsStore.spec.js
index 8382b7cb5f..bfd9caa85c 100644
--- a/src/store/conversationsStore.spec.js
+++ b/src/store/conversationsStore.spec.js
@@ -714,7 +714,14 @@ describe('conversationsStore', () => {
 
 			store.dispatch('addConversation', testConversation)
 
-			changeLobbyState.mockResolvedValue()
+			const response = generateOCSResponse({
+				payload: {
+					...testConversation,
+					lobbyState: WEBINAR.LOBBY.NON_MODERATORS,
+					lobbyTimer: 0,
+				},
+			})
+			changeLobbyState.mockResolvedValue(response)
 
 			await store.dispatch('toggleLobby', {
 				token: testToken,
@@ -732,7 +739,14 @@ describe('conversationsStore', () => {
 
 			store.dispatch('addConversation', testConversation)
 
-			changeLobbyState.mockResolvedValue()
+			const response = generateOCSResponse({
+				payload: {
+					...testConversation,
+					lobbyState: WEBINAR.LOBBY.NONE,
+					lobbyTimer: 0,
+				},
+			})
+			changeLobbyState.mockResolvedValue(response)
 
 			await store.dispatch('toggleLobby', {
 				token: testToken,
@@ -841,7 +855,14 @@ describe('conversationsStore', () => {
 
 			store.dispatch('addConversation', testConversation)
 
-			changeLobbyState.mockResolvedValue()
+			const response = generateOCSResponse({
+				payload: {
+					...testConversation,
+					lobbyState: WEBINAR.LOBBY.NON_MODERATORS,
+					lobbyTimer: 2300400,
+				},
+			})
+			changeLobbyState.mockResolvedValue(response)
 
 			await store.dispatch('setLobbyTimer', {
 				token: testToken,