diff --git a/talk/media/webrtc/webrtcvideoengine_unittest.cc b/talk/media/webrtc/webrtcvideoengine_unittest.cc
index cbf1e333a..11edd05b6 100644
--- a/talk/media/webrtc/webrtcvideoengine_unittest.cc
+++ b/talk/media/webrtc/webrtcvideoengine_unittest.cc
@@ -2397,6 +2397,9 @@ TEST_F(WebRtcVideoMediaChannelTest, SetRecvCodecsUnsupportedCodec) {
   EXPECT_FALSE(channel_->SetRecvCodecs(codecs));
 }
 
+// Disable for TSan v2, see
+// https://code.google.com/p/webrtc/issues/detail?id=3671 for details.
+#if !defined(THREAD_SANITIZER)
 TEST_F(WebRtcVideoMediaChannelTest, GetRtpSendTimeExtension) {
   // Enable RTP timestamp extension.
   const int id = 12;
@@ -2408,6 +2411,7 @@ TEST_F(WebRtcVideoMediaChannelTest, GetRtpSendTimeExtension) {
   EXPECT_TRUE(channel_->SetSendRtpHeaderExtensions(extensions));
   EXPECT_EQ(id, channel_->GetRtpSendTimeExtnId());
 }
+#endif  // if !defined(THREAD_SANITIZER)
 
 TEST_F(WebRtcVideoMediaChannelTest, SetSend) {
   Base::SetSend();