1 files changed, 1 insertions, 0 deletions
diff --git a/audio/out/ao.c b/audio/out/ao.c
index 3bfa481bc5..cd2b9e8089 100644
--- a/audio/out/ao.c
+++ b/audio/out/ao.c
@@ -110,6 +110,7 @@ static bool get_desc(struct m_obj_desc *dst, int index)
         .priv_defaults = ao->priv_defaults,
         .options = ao->options,
         .global_opts = ao->global_opts,
+        .legacy_prefix = ao->legacy_prefix,
         .hidden = ao->encode,
         .p = ao,
     };