diff --git a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
index e0d56e3c037e..4159be1e1092 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/telegram-desktop/unwrapped.nix
@@ -105,6 +105,10 @@ stdenv.mkDerivation (finalAttrs: {
       # even though the last 3 dependencies are already in `kimageformats`,
       # because of a logic error in the cmake files, in td 5.15.{1,2} it
       # doesn't link when you don't add them explicitly
+      #
+      # this has been fixed
+      # (https://github.com/desktop-app/cmake_helpers/pull/413), remove next
+      # release
       kimageformats
       libavif
       libheif