diff --git a/src/matrix/net/RequestScheduler.ts b/src/matrix/net/RequestScheduler.ts
index cee4142f..276de639 100644
--- a/src/matrix/net/RequestScheduler.ts
+++ b/src/matrix/net/RequestScheduler.ts
@@ -47,7 +47,7 @@ class Request implements IHomeServerRequest {
             this._requestResult.abort();
         } else {
             this.responseReject(new AbortError());
-            this.responseCodeReject(new AbortError());
+            this.responseCodeReject?.(new AbortError());
         }
     }