diff --git a/call/rtp_transport_controller_send.cc b/call/rtp_transport_controller_send.cc
index d471ea4b1f..a0c427a34a 100644
--- a/call/rtp_transport_controller_send.cc
+++ b/call/rtp_transport_controller_send.cc
@@ -62,6 +62,7 @@ RtpTransportControllerSend::RtpTransportControllerSend(
                                      &pacer_,
                                      bitrate_config,
                                      TaskQueueExperimentEnabled())) {
+  send_side_cc_ptr_ = send_side_cc_.get();
   process_thread_->RegisterModule(&pacer_, RTC_FROM_HERE);
   process_thread_->RegisterModule(send_side_cc_.get(), RTC_FROM_HERE);
   process_thread_->Start();
@@ -85,7 +86,7 @@ void RtpTransportControllerSend::OnNetworkChanged(uint32_t bitrate_bps,
   msg.network_estimate.at_time = msg.at_time;
   msg.network_estimate.bwe_period = TimeDelta::ms(probing_interval_ms);
   uint32_t bandwidth_bps;
-  if (send_side_cc_->AvailableBandwidth(&bandwidth_bps))
+  if (send_side_cc_ptr_->AvailableBandwidth(&bandwidth_bps))
     msg.network_estimate.bandwidth = DataRate::bps(bandwidth_bps);
   msg.network_estimate.loss_rate_ratio = fraction_loss / 255.0;
   msg.network_estimate.round_trip_time = TimeDelta::ms(rtt_ms);
diff --git a/call/rtp_transport_controller_send.h b/call/rtp_transport_controller_send.h
index eff1e1603a..c7b9b037c9 100644
--- a/call/rtp_transport_controller_send.h
+++ b/call/rtp_transport_controller_send.h
@@ -91,6 +91,14 @@ class RtpTransportControllerSend final
   const std::unique_ptr<ProcessThread> process_thread_;
   rtc::CriticalSection observer_crit_;
   TargetTransferRateObserver* observer_ RTC_GUARDED_BY(observer_crit_);
+  // Caches send_side_cc_.get(), to avoid racing with destructor.
+  // Note that this is declared before send_side_cc_ to ensure that it is not
+  // invalidated until no more tasks can be running on the send_side_cc_ task
+  // queue.
+  // TODO(srte): Remove this when only the task queue based send side congestion
+  // controller is used and it is no longer accessed synchronously in the
+  // OnNetworkChanged callback.
+  SendSideCongestionControllerInterface* send_side_cc_ptr_;
   // Declared last since it will issue callbacks from a task queue. Declaring it
   // last ensures that it is destroyed first.
   const std::unique_ptr<SendSideCongestionControllerInterface> send_side_cc_;