diff --git a/pkgs/development/libraries/webrtc-audio-processing/0.3.nix b/pkgs/development/libraries/webrtc-audio-processing/0.3.nix
index a3efc646d319..c9141b34a94d 100644
--- a/pkgs/development/libraries/webrtc-audio-processing/0.3.nix
+++ b/pkgs/development/libraries/webrtc-audio-processing/0.3.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, darwin }:
+{ lib, stdenv, fetchurl, fetchpatch, darwin }:
 
 stdenv.mkDerivation rec {
   pname = "webrtc-audio-processing";
@@ -14,6 +14,12 @@ stdenv.mkDerivation rec {
   patches = [
     ./enable-riscv.patch
     ./enable-powerpc.patch
+    # big-endian support, from https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/127
+    (fetchpatch {
+      name = "0001-webrtc-audio-processing-big-endian.patch";
+      url = "https://gitlab.freedesktop.org/pulseaudio/pulseaudio/uploads/2994c0512aaa76ebf41ce11c7b9ba23e/webrtc-audio-processing-0.2-big-endian.patch";
+      hash = "sha256-zVAj9H8SJureQd0t5O5v1je4ia8/gHJOXYxuEBEB6gg=";
+    })
   ];
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin (with darwin.apple_sdk.frameworks; [ ApplicationServices ]);
@@ -22,6 +28,8 @@ stdenv.mkDerivation rec {
     substituteInPlace webrtc/base/checks.cc --replace 'defined(__UCLIBC__)' 1
   '';
 
+  enableParallelBuilding = true;
+
   meta = with lib; {
     homepage = "https://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing";
     description = "More Linux packaging friendly copy of the AudioProcessing module from the WebRTC project";