diff --git a/pc/peerconnection_datachannel_unittest.cc b/pc/peerconnection_datachannel_unittest.cc
index 02bac68..ca3a3f1 100644
--- a/pc/peerconnection_datachannel_unittest.cc
+++ b/pc/peerconnection_datachannel_unittest.cc
@@ -147,8 +147,7 @@
 
     auto* data_content = cricket::GetFirstDataContent(desc);
     RTC_DCHECK(data_content);
-    auto* data_desc = static_cast<cricket::DataContentDescription*>(
-        data_content->description);
+    auto* data_desc = data_content->media_description()->as_data();
     data_desc->set_codecs({sctp_codec});
   }