diff --git a/src/renderer/api/websocket-api.ts b/src/renderer/api/websocket-api.ts
index b08e990c42..398e02c3e2 100644
--- a/src/renderer/api/websocket-api.ts
+++ b/src/renderer/api/websocket-api.ts
@@ -65,7 +65,7 @@ export interface WebSocketEvents {
 type Defaulted<Params, DefaultParams extends keyof Params> = Required<Pick<Params, DefaultParams>> & Omit<Params, DefaultParams>;
 
 export class WebSocketApi<Events extends WebSocketEvents> extends (EventEmitter as { new<T>(): TypedEventEmitter<T> })<Events> {
-  protected socket: WebSocket;
+  protected socket?: WebSocket | null;
   protected pendingCommands: (string | ArrayBufferLike | Blob | ArrayBufferView)[] = [];
   protected reconnectTimer?: any;
   protected pingTimer?: any;