diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 483cf0615b..4153755875 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -2615,6 +2615,7 @@ static const AVClass dca_decoder_class = {
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
+    .category   = AV_CLASS_CATEGORY_DECODER,
 };
 
 AVCodec ff_dca_decoder = {