diff --git a/sub/lavc_conv.c b/sub/lavc_conv.c
index 3a33933605..6b98554608 100644
--- a/sub/lavc_conv.c
+++ b/sub/lavc_conv.c
@@ -103,6 +103,7 @@ struct lavc_conv *lavc_conv_create(struct sd *sd)
     priv->avctx = avctx;
     priv->extradata = talloc_strndup(priv, avctx->subtitle_header,
                                      avctx->subtitle_header_size);
+    mp_codec_info_from_av(avctx, sd->codec);
     return priv;
 
  error:
diff --git a/sub/sd_ass.c b/sub/sd_ass.c
index a64ba92109..d04a40a1de 100644
--- a/sub/sd_ass.c
+++ b/sub/sd_ass.c
@@ -285,6 +285,17 @@ static int init(struct sd *sd)
 
     ctx->packer = mp_ass_packer_alloc(ctx);
 
+    // Subtitles does not have any profile value, so put the converted type as a profile.
+    const char **desc = ctx->converter ? &sd->codec->codec_profile : &sd->codec->codec_desc;
+    switch (ctx->ass_track->track_type) {
+    case TRACK_TYPE_ASS:
+        *desc = "Advanced Sub Station Alpha";
+        break;
+    case TRACK_TYPE_SSA:
+        *desc = "Sub Station Alpha";
+        break;
+    }
+
     return 0;
 }
 
diff --git a/sub/sd_lavc.c b/sub/sd_lavc.c
index 6c1bdf550e..d646b207c4 100644
--- a/sub/sd_lavc.c
+++ b/sub/sd_lavc.c
@@ -56,6 +56,7 @@ struct seekpoint {
 };
 
 struct sd_lavc_priv {
+    struct mp_codec_params *codec;
     AVCodecContext *avctx;
     AVPacket *avpkt;
     AVRational pkt_timebase;
@@ -119,6 +120,7 @@ static int init(struct sd *sd)
     }
 
     priv->avpkt = av_packet_alloc();
+    priv->codec = sd->codec;
     if (!priv->avpkt)
         goto error;
     if (mp_set_avctx_codec_headers(ctx, sd->codec) < 0)
@@ -347,6 +349,8 @@ static void decode(struct sd *sd, struct demux_packet *packet)
     if (res < 0 || !got_sub)
         return;
 
+    mp_codec_info_from_av(ctx, priv->codec);
+
     packet->sub_duration = sub.end_display_time;
 
     if (sub.pts != AV_NOPTS_VALUE)