diff --git a/pc/data_channel_controller.cc b/pc/data_channel_controller.cc
index 7fea6c5e55..93599fdba9 100644
--- a/pc/data_channel_controller.cc
+++ b/pc/data_channel_controller.cc
@@ -70,6 +70,11 @@ void DataChannelController::OnChannelStateChanged(
     SctpDataChannel* channel,
     DataChannelInterface::DataState state) {
   RTC_DCHECK_RUN_ON(network_thread());
+
+  // Stash away the internal id here in case `OnSctpDataChannelClosed` ends up
+  // releasing the last reference to the channel.
+  const int channel_id = channel->internal_id();
+
   if (state == DataChannelInterface::DataState::kClosed)
     OnSctpDataChannelClosed(channel);
 
@@ -77,8 +82,7 @@ void DataChannelController::OnChannelStateChanged(
                                        ? DataChannelUsage::kHaveBeenUsed
                                        : DataChannelUsage::kInUse;
   signaling_thread()->PostTask(SafeTask(
-      signaling_safety_.flag(), [this, channel_id = channel->internal_id(),
-                                 state = state, channel_usage] {
+      signaling_safety_.flag(), [this, channel_id, state, channel_usage] {
         RTC_DCHECK_RUN_ON(signaling_thread());
         channel_usage_ = channel_usage;
         pc_->OnSctpDataChannelStateChanged(channel_id, state);