diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c
index 4b8b41ca04..c4d7a90150 100644
--- a/libavformat/rawenc.c
+++ b/libavformat/rawenc.c
@@ -128,7 +128,7 @@ AVOutputFormat ff_dirac_muxer = {
 AVOutputFormat ff_dnxhd_muxer = {
     .name              = "dnxhd",
     .long_name         = NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"),
-    .extensions        = "dnxhd",
+    .extensions        = "dnxhd,dnxhr",
     .audio_codec       = AV_CODEC_ID_NONE,
     .video_codec       = AV_CODEC_ID_DNXHD,
     .write_header      = force_one_stream,