diff --git a/tools/valgrind-webrtc/gtest_exclude/libjingle_peerconnection_unittest.gtest-memcheck.txt b/tools/valgrind-webrtc/gtest_exclude/libjingle_peerconnection_unittest.gtest-memcheck.txt
index 0794bdc04b..4d723c6333 100644
--- a/tools/valgrind-webrtc/gtest_exclude/libjingle_peerconnection_unittest.gtest-memcheck.txt
+++ b/tools/valgrind-webrtc/gtest_exclude/libjingle_peerconnection_unittest.gtest-memcheck.txt
@@ -26,6 +26,7 @@ PeerConnectionEndToEndTest.Call
 PeerConnectionEndToEndTest.CallWithLegacySdp
 PeerConnectionEndToEndTest.CreateDataChannelBeforeNegotiate
 PeerConnectionEndToEndTest.CreateDataChannelAfterNegotiate
+PeerConnectionEndToEndTest.DataChannelIdAssignment
 PeerConnectionEndToEndTest.MessageTransferBetweenTwoPairsOfDataChannels
 PeerConnectionInterfaceTest.DataChannelCloseWhenPeerConnectionClose
 PeerConnectionInterfaceTest.TestDataChannel