diff --git a/pc/data_channel_controller.cc b/pc/data_channel_controller.cc
index 166e181cfe409f7f885fc66e03d41802fad927b0..b7949e7547b63a7b6b0f176988c75315916b363c 100644
--- a/pc/data_channel_controller.cc
+++ b/pc/data_channel_controller.cc
@@ -77,14 +77,18 @@ 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);
 
   signaling_thread()->PostTask(
-      SafeTask(signaling_safety_.flag(),
-               [this, channel_id = channel->internal_id(), state = state] {
-                 pc_->OnSctpDataChannelStateChanged(channel_id, state);
-               }));
+      SafeTask(signaling_safety_.flag(), [this, channel_id, state] {
+        pc_->OnSctpDataChannelStateChanged(channel_id, state);
+      }));
 }
 
 void DataChannelController::OnDataReceived(