diff --git a/libavformat/gxf.c b/libavformat/gxf.c
index f801d246b6..6cc8afde83 100644
--- a/libavformat/gxf.c
+++ b/libavformat/gxf.c
@@ -163,6 +163,11 @@ static int get_sindex(AVFormatContext *s, int id, int format) {
             st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
             st->codec->sample_rate = 48000;
             break;
+        case 26: /* AVCi50 / AVCi100 (AVC Intra) */
+            st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+            st->codec->codec_id = CODEC_ID_H264;
+            st->need_parsing = AVSTREAM_PARSE_HEADERS;
+            break;
         // timecode tracks:
         case 7:
         case 8: