diff --git a/media-libs/dav1d/files/build-avoid-meson-s-symbols_have_underscore_prefix.patch b/media-libs/dav1d/files/build-avoid-meson-s-symbols_have_underscore_prefix.patch
index 8a9b1e86eff94..f9c0dbbfaf2b5 100644
--- a/media-libs/dav1d/files/build-avoid-meson-s-symbols_have_underscore_prefix.patch
+++ b/media-libs/dav1d/files/build-avoid-meson-s-symbols_have_underscore_prefix.patch
@@ -1,3 +1,6 @@
+https://code.videolan.org/videolan/dav1d/-/issues/370
+https://code.videolan.org/videolan/dav1d/-/commit/c6a08b3aa1ee99dade53e5e32033bc1d14455a22
+
 From c6a08b3aa1ee99dade53e5e32033bc1d14455a22 Mon Sep 17 00:00:00 2001
 From: Janne Grunau <janne-vlc@jannau.net>
 Date: Tue, 21 Sep 2021 09:30:14 +0200