diff --git a/tools/valgrind-webrtc/memcheck/suppressions.txt b/tools/valgrind-webrtc/memcheck/suppressions.txt
index bfb8ffcb88..d259ce11ec 100644
--- a/tools/valgrind-webrtc/memcheck/suppressions.txt
+++ b/tools/valgrind-webrtc/memcheck/suppressions.txt
@@ -530,3 +530,12 @@
    fun:WebRtcOpus_Decode*
    ...
 }
+{
+   bug_6788
+   Memcheck:Leak
+   fun:_Zna*
+   fun:_ZN6webrtc17RtpStreamReceiver21OnReceivedPayloadDataEPKhmPKNS_15WebRtcRTPHeaderE
+   fun:_ZN6webrtc16RTPReceiverVideo14ParseRtpPacketEPNS_15WebRtcRTPHeaderERKNS_12PayloadUnionEbPKhmlb
+   fun:_ZN6webrtc15RtpReceiverImpl17IncomingRtpPacketERKNS_9RTPHeaderEPKhmNS_12PayloadUnionEb
+   ...
+}