diff --git a/tools/valgrind-webrtc/tsan/suppressions.txt b/tools/valgrind-webrtc/tsan/suppressions.txt
index 4397d5c6d4..7c39922fe1 100644
--- a/tools/valgrind-webrtc/tsan/suppressions.txt
+++ b/tools/valgrind-webrtc/tsan/suppressions.txt
@@ -16,6 +16,29 @@
   fun:webrtc::Trace::SetTraceCallback
   ...
 }
+{
+  BUG_2349
+  ThreadSanitizer:Race
+  fun:webrtc::RTPSender::SendToNetwork
+  fun:webrtc::RTPSenderVideo::SendVideoPacket
+  fun:webrtc::RTPSenderVideo::SendVP8
+  fun:webrtc::RTPSenderVideo::SendVideo
+  fun:webrtc::RTPSender::SendOutgoingData
+  fun:webrtc::ModuleRtpRtcpImpl::SendOutgoingData
+  fun:webrtc::ModuleRtpRtcpImpl::SendOutgoingData
+  fun:webrtc::ViEEncoder::SendData
+  fun:webrtc::VCMEncodedFrameCallback::Encoded
+  fun:webrtc::test::FakeEncoder::Encode
+  fun:webrtc::VCMGenericEncoder::Encode
+  fun:webrtc::VideoCodingModuleImpl::AddVideoFrame
+  fun:webrtc::ViEEncoder::DeliverFrame
+  fun:webrtc::ViEFrameProviderBase::DeliverFrame
+  fun:webrtc::ViECapturer::DeliverI420Frame
+  fun:webrtc::ViECapturer::ViECaptureProcess
+  fun:webrtc::ViECapturer::ViECaptureThreadFunction
+  fun:webrtc::ThreadPosix::Run
+  fun:StartThread
+}
 
 # Known bugs we don't care about / problems in third parties
 {