diff --git a/libavformat/g723_1.c b/libavformat/g723_1.c
index 5ffd7c7619e1882298af1a62f794d1181d6f216b..19441a1b19da87893587f851ed43e582c9ef7018 100644
--- a/libavformat/g723_1.c
+++ b/libavformat/g723_1.c
@@ -78,6 +78,6 @@ AVInputFormat ff_g723_1_demuxer = {
     NULL,
     g723_1_init,
     g723_1_read_packet,
-    .extensions = "tco",
+    .extensions = "tco,rco",
     .flags = AVFMT_GENERIC_INDEX
 };