2 files changed, 2 insertions, 1 deletions
diff --git a/audio/filter/af.c b/audio/filter/af.c
index 2cc6389841..f4da46d141 100644
--- a/audio/filter/af.c
+++ b/audio/filter/af.c
@@ -204,6 +204,8 @@ static struct af_instance *af_create(struct af_stream *s, char *name,
         .data = talloc_zero(af, struct mp_audio),
     };
     struct m_config *config = m_config_from_obj_desc(af, &desc);
+    if (m_config_apply_defaults(config, name, s->opts->af_defs) < 0)
+        goto error;
     if (m_config_initialize_obj(config, &desc, &af->priv, &args) < 0)
         goto error;
 
diff --git a/audio/filter/af.h b/audio/filter/af.h
index 7dee490665..77f3bb4945 100644
--- a/audio/filter/af.h
+++ b/audio/filter/af.h
@@ -79,7 +79,6 @@ struct af_stream {
     struct af_instance *last;
     // The user sets the input format (what the decoder outputs), and sets some
     // or all fields in output to the output format the AO accepts.
-    // See fixup_output_format().
     struct mp_audio input;
     struct mp_audio output;
     struct mp_audio filter_output;