diff --git a/back/src/Controller/IoSocketController.ts b/back/src/Controller/IoSocketController.ts
index a27d91df..c71edd86 100644
--- a/back/src/Controller/IoSocketController.ts
+++ b/back/src/Controller/IoSocketController.ts
@@ -20,7 +20,7 @@ import {parse} from "query-string";
 import {jwtTokenManager} from "../Services/JWTTokenManager";
 import {adminApi, CharacterTexture, FetchMemberDataByUuidResponse} from "../Services/AdminApi";
 import {SocketManager, socketManager} from "../Services/SocketManager";
-import {emitInBatch, resetPing} from "../Services/IoSocketHelpers";
+import {emitInBatch, pongMaxInterval, refresLogoutTimerOnPong, resetPing} from "../Services/IoSocketHelpers";
 import {clientEventsEmitter} from "../Services/ClientEventsEmitter";
 import {ADMIN_API_TOKEN, ADMIN_API_URL} from "../Enum/EnvironmentVariable";
 
@@ -240,6 +240,7 @@ export class IoSocketController {
                 const client = this.initClient(ws); //todo: into the upgrade instead?
                 socketManager.handleJoinRoom(client);
                 resetPing(client);
+                refresLogoutTimerOnPong(ws as ExSocketInterface);
 
                 //get data information and show messages
                 if (ADMIN_API_URL) {
@@ -292,6 +293,9 @@ export class IoSocketController {
             drain: (ws) => {
                 console.log('WebSocket backpressure: ' + ws.getBufferedAmount());
             },
+            pong(ws) {
+                refresLogoutTimerOnPong(ws as ExSocketInterface);
+            },
             close: (ws, code, message) => {
                 const Client = (ws as ExSocketInterface);
                 try {
diff --git a/back/src/Model/Websocket/ExSocketInterface.ts b/back/src/Model/Websocket/ExSocketInterface.ts
index 205032bc..e3d19138 100644
--- a/back/src/Model/Websocket/ExSocketInterface.ts
+++ b/back/src/Model/Websocket/ExSocketInterface.ts
@@ -26,6 +26,7 @@ export interface ExSocketInterface extends WebSocket, Identificable {
     batchedMessages: BatchMessage;
     batchTimeout: NodeJS.Timeout|null;
     pingTimeout: NodeJS.Timeout|null;
+    pongTimeout: NodeJS.Timeout|null;
     disconnecting: boolean,
     tags: string[],
     textures: CharacterTexture[],
diff --git a/back/src/Services/IoSocketHelpers.ts b/back/src/Services/IoSocketHelpers.ts
index 2166a53e..acaa0bb9 100644
--- a/back/src/Services/IoSocketHelpers.ts
+++ b/back/src/Services/IoSocketHelpers.ts
@@ -47,4 +47,13 @@ export function emitError(Client: ExSocketInterface, message: string): void {
         Client.send(serverToClientMessage.serializeBinary().buffer, true);
     }
     console.warn(message);
-}
\ No newline at end of file
+}
+
+export const pongMaxInterval = 30000; // the maximum duration (in ms) between pongs before we shutdown the connexion.
+
+export function refresLogoutTimerOnPong(ws: ExSocketInterface): void {
+    if(ws.pongTimeout) clearTimeout(ws.pongTimeout);
+    ws.pongTimeout = setTimeout(() => {
+        ws.close();
+    }, pongMaxInterval);
+}
diff --git a/front/src/WebRtc/CoWebsiteManager.ts b/front/src/WebRtc/CoWebsiteManager.ts
index ab63e60a..46d03702 100644
--- a/front/src/WebRtc/CoWebsiteManager.ts
+++ b/front/src/WebRtc/CoWebsiteManager.ts
@@ -57,7 +57,7 @@ class CoWebsiteManager {
             setTimeout(() => {
                 this.fire();
             }, animationTime)
-        });
+        }).catch(() => this.closeCoWebsite());
     }
 
     /**
@@ -70,7 +70,7 @@ class CoWebsiteManager {
             setTimeout(() => {
                 this.fire();
             }, animationTime)
-        });
+        }).catch(() => this.closeCoWebsite());
     }
 
     public closeCoWebsite(): Promise<void> {