From e2d92b2b69752c45b259e28a380996274729e37d Mon Sep 17 00:00:00 2001
From: nick-delirium <nikita@openreplay.com>
Date: Tue, 2 Jan 2024 09:51:42 +0100
Subject: [PATCH] fix(tracker): fixes #1813, fix ORSC function for xhr proxy

---
 tracker/tracker/src/main/modules/Network/xhrProxy.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tracker/tracker/src/main/modules/Network/xhrProxy.ts b/tracker/tracker/src/main/modules/Network/xhrProxy.ts
index 748c240a8..f98d7f9c8 100644
--- a/tracker/tracker/src/main/modules/Network/xhrProxy.ts
+++ b/tracker/tracker/src/main/modules/Network/xhrProxy.ts
@@ -146,7 +146,7 @@ export class XHRProxyHandler<T extends XMLHttpRequest> implements ProxyHandler<T
   protected setOnReadyStateChange(target: T, key: string, orscFunction: (args: any[]) => any) {
     return Reflect.set(target, key, (...args: any[]) => {
       this.onReadyStateChange()
-      orscFunction.apply(target, args)
+      orscFunction?.apply(target, args)
     })
   }