diff --git a/libeplayer3/container/container_ffmpeg.c b/libeplayer3/container/container_ffmpeg.c
index 75109ac..276f4ec 100644
--- a/libeplayer3/container/container_ffmpeg.c
+++ b/libeplayer3/container/container_ffmpeg.c
@@ -308,7 +308,7 @@ static char *Codec2Encoding(int32_t codec_id, int32_t media_type, uint8_t *extra
 		case AV_CODEC_ID_MPEG2VIDEO:
 			return "V_MPEG2";
 		case AV_CODEC_ID_MJPEG:
-			return "V_MJPEG";
+			return NULL;//"V_MJPEG";
 		case AV_CODEC_ID_H263:
 		case AV_CODEC_ID_H263P:
 		case AV_CODEC_ID_H263I: