1 files changed, 1 insertions, 0 deletions
diff --git a/demux/demux_mkv_timeline.c b/demux/demux_mkv_timeline.c
index 63a683274d..548f0016f1 100644
--- a/demux/demux_mkv_timeline.c
+++ b/demux/demux_mkv_timeline.c
@@ -240,6 +240,7 @@ static bool check_file_seg(struct tl_ctx *ctx, char *filename, int segment)
                 MP_TARRAY_APPEND(NULL, ctx->sources, ctx->num_sources, NULL);
             }
 
+            params.matroska_wanted_uids = ctx->uids; // potentially reallocated, same data
             if (enable_cache(ctx->global, &s, &d, &params) < 0)
                 continue;