diff --git a/back/src/Controller/IoSocketController.ts b/back/src/Controller/IoSocketController.ts
index 0ae6465f..5dbeb145 100644
--- a/back/src/Controller/IoSocketController.ts
+++ b/back/src/Controller/IoSocketController.ts
@@ -159,6 +159,13 @@ export class IoSocketController {
                         }
 
                         const userUuid = await jwtTokenManager.getUserUuidFromToken(token);
+                        let client = socketManager.searchClientByUuid(userUuid);
+                        //if client socket exist, close connexion
+                        if(client){
+                            console.info(`Close connexion, client with uuid : ${userUuid} already exist !`);
+                            socketManager.emitCloseMessage(client, 500);
+                            socketManager.leaveRoom(client);
+                        }
 
                         let memberTags: string[] = [];
                         let memberTextures: CharacterTexture[] = [];