diff --git a/pkgs/by-name/li/libtas/package.nix b/pkgs/by-name/li/libtas/package.nix
index bf2ec36e9cf9..2394665fef29 100644
--- a/pkgs/by-name/li/libtas/package.nix
+++ b/pkgs/by-name/li/libtas/package.nix
@@ -70,6 +70,7 @@ stdenv.mkDerivation (finalAttrs: {
       --suffix LD_LIBRARY_PATH : ${
         lib.makeLibraryPath [
           xorg.libXi
+          ffmpeg.lib
         ]
       } \
       --set-default LIBTAS_SO_PATH $out/lib/libtas.so