diff --git a/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc b/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
index c422577c81..86b6f6ecd6 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_format_h264.cc
@@ -101,6 +101,7 @@ bool ParseSingleNalu(RtpDepacketizer::ParsedPayload* parsed_payload,
   switch (nal_type) {
     case kSps:
     case kPps:
+    case kSei:
     case kIdr:
       parsed_payload->frame_type = kVideoFrameKey;
       break;