diff --git a/stream/stream.c b/stream/stream.c
index bf84850d75..eaf8e4dc51 100644
--- a/stream/stream.c
+++ b/stream/stream.c
@@ -795,6 +795,7 @@ static int stream_enable_cache(stream_t **stream, int64_t size, int64_t min,
 
     cache->url = talloc_strdup(cache, orig->url);
     cache->mime_type = talloc_strdup(cache, orig->mime_type);
+    cache->demuxer = talloc_strdup(cache, orig->demuxer);
     cache->lavf_type = talloc_strdup(cache, orig->lavf_type);
     cache->safe_origin = orig->safe_origin;
     cache->opts = orig->opts;