diff --git a/libavcodec/dvaudiodec.c b/libavcodec/dvaudiodec.c
index 64721c45b2..e12f43c485 100644
--- a/libavcodec/dvaudiodec.c
+++ b/libavcodec/dvaudiodec.c
@@ -130,4 +130,5 @@ const AVCodec ff_dvaudio_decoder = {
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
     .priv_data_size = sizeof(DVAudioContext),
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };