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 884f5db51..b6f59dae0 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
@@ -1,4 +1,6 @@
 # Tests that are failing when run under memcheck.
+DtmfSenderTest.InsertDtmf
+DtmfSenderTest.InsertDtmfTwice
 JsepPeerConnectionP2PTestClient.AddDataChannelAfterRenegotiation
 JsepPeerConnectionP2PTestClient.GetAudioInputLevelStats
 JsepPeerConnectionP2PTestClient.GetAudioOutputLevelStats