diff --git a/pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/tg_owt.nix b/pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/tg_owt.nix
index 614183b72d08..070ae2f8c5f8 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/tg_owt.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/kotatogram-desktop/tg_owt.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, pkg-config, cmake, ninja, yasm
-, libjpeg, openssl, libopus, ffmpeg, alsa-lib, libpulseaudio, protobuf
+, libjpeg, openssl, libopus, ffmpeg_$, alsa-lib, libpulseaudio, protobuf
 , xorg, libXtst
 }:
 
@@ -23,7 +23,7 @@ in stdenv.mkDerivation {
   nativeBuildInputs = [ pkg-config cmake ninja yasm ];
 
   buildInputs = [
-    libjpeg openssl libopus ffmpeg alsa-lib libpulseaudio protobuf
+    libjpeg openssl libopus ffmpeg_4 alsa-lib libpulseaudio protobuf
     xorg.libX11 libXtst
   ];