diff --git a/pkgs/development/libraries/webrtc-audio-processing/default.nix b/pkgs/development/libraries/webrtc-audio-processing/default.nix
index e2d51a9e6606..ccda7ac4af67 100644
--- a/pkgs/development/libraries/webrtc-audio-processing/default.nix
+++ b/pkgs/development/libraries/webrtc-audio-processing/default.nix
@@ -28,6 +28,11 @@ stdenv.mkDerivation rec {
       url = "https://git.alpinelinux.org/aports/plain/community/webrtc-audio-processing-1/0001-rtc_base-Include-stdint.h-to-fix-build-failures.patch?id=625e19c19972e69e034c0870a31b375833d1ab5d";
       hash = "sha256-9nI22SJoU0H3CzsPSAObtCFTadtvkzdnqIh6mxmUuds=";
     })
+    # Add loongarch64 support
+    (fetchurl {
+      url = "https://gitlab.alpinelinux.org/alpine/aports/-/raw/0630fa25465530c0e7358f00016bdc812894f67f/community/webrtc-audio-processing-1/add-loongarch-support.patch";
+      hash = "sha256-Cn3KwKSSV/QJm1JW0pkEWB6OmeA0fRlVkiMU8OzXNzY=";
+    })
   ];
 
   outputs = [
@@ -62,6 +67,7 @@ stdenv.mkDerivation rec {
         (
           platforms.arm
           ++ platforms.aarch64
+          ++ platforms.loongarch64
           ++ platforms.mips
           ++ platforms.power
           ++ platforms.riscv