diff --git a/pkgs/applications/audio/pulseeffects/default.nix b/pkgs/applications/audio/pulseeffects/default.nix
index 2972849a2d4..eaedcb426b8 100644
--- a/pkgs/applications/audio/pulseeffects/default.nix
+++ b/pkgs/applications/audio/pulseeffects/default.nix
@@ -99,6 +99,11 @@ in stdenv.mkDerivation rec {
     )
   '';
 
+  # Meson is no longer able to pick up Boost automatically.
+  # https://github.com/NixOS/nixpkgs/issues/86131
+  BOOST_INCLUDEDIR = "${stdenv.lib.getDev boost}/include";
+  BOOST_LIBRARYDIR = "${stdenv.lib.getLib boost}/lib";
+
   meta = with stdenv.lib; {
     description = "Limiter, compressor, reverberation, equalizer and auto volume effects for Pulseaudio applications";
     homepage = "https://github.com/wwmm/pulseeffects";