diff --git a/pc/data_channel_controller.cc b/pc/data_channel_controller.cc
index cb93384..2800992 100644
--- a/pc/data_channel_controller.cc
+++ b/pc/data_channel_controller.cc
@@ -181,6 +181,15 @@
       });
 }
 
+void DataChannelController::OnTransportClosed() {
+  RTC_DCHECK_RUN_ON(network_thread());
+  data_channel_transport_invoker_->AsyncInvoke<void>(
+      RTC_FROM_HERE, signaling_thread(), [this] {
+        RTC_DCHECK_RUN_ON(signaling_thread());
+        OnTransportChannelClosed();
+      });
+}
+
 void DataChannelController::SetupDataChannelTransport_n() {
   RTC_DCHECK_RUN_ON(network_thread());
   data_channel_transport_invoker_ = std::make_unique<rtc::AsyncInvoker>();