diff --git a/common_video/h264/h264_bitstream_parser.cc b/common_video/h264/h264_bitstream_parser.cc
index 3b41599..6eee02e 100644
--- a/common_video/h264/h264_bitstream_parser.cc
+++ b/common_video/h264/h264_bitstream_parser.cc
@@ -288,6 +288,7 @@
     }
     case H264::NaluType::kAud:
     case H264::NaluType::kSei:
+    case H264::NaluType::kPrefix:
       break;  // Ignore these nalus, as we don't care about their contents.
     default:
       Result res = ParseNonParameterSetNalu(slice, length, nalu_type);
diff --git a/common_video/h264/h264_common.h b/common_video/h264/h264_common.h
index 2beef16..0b1843e 100644
--- a/common_video/h264/h264_common.h
+++ b/common_video/h264/h264_common.h
@@ -42,6 +42,7 @@
   kEndOfSequence = 10,
   kEndOfStream = 11,
   kFiller = 12,
+  kPrefix = 14,
   kStapA = 24,
   kFuA = 28
 };