diff --git a/pkgs/development/libraries/clanlib/default.nix b/pkgs/development/libraries/clanlib/default.nix
index ee9ee04aa62f..6369128d5a05 100644
--- a/pkgs/development/libraries/clanlib/default.nix
+++ b/pkgs/development/libraries/clanlib/default.nix
@@ -1,16 +1,17 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, autoreconfHook
-, libGL
-, libpng
-, pkg-config
-, xorg
-, file
-, freetype
-, fontconfig
-, alsa-lib
-, libXrender
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchpatch,
+  autoreconfHook,
+  libGL,
+  libpng,
+  pkg-config,
+  xorg,
+  freetype,
+  fontconfig,
+  alsa-lib,
+  libXrender,
 }:
 
 stdenv.mkDerivation rec {
@@ -24,10 +25,19 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-SVsLWcTP+PCIGDWLkadMpJPj4coLK9dJrW4sc2+HotE=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "clanlib-add-support-for-riscv.patch";
+      url = "https://github.com/sphair/ClanLib/commit/f5f694205054b66dc800135c9b01673f69a7a671.patch";
+      hash = "sha256-/1XLFaTZDQAlT2mG9P6SJzXtTg7IWYGQ18Sx0e9zh0s=";
+    })
+  ];
+
   nativeBuildInputs = [
     pkg-config
     autoreconfHook
   ];
+
   buildInputs = [
     libGL
     libpng
@@ -38,11 +48,11 @@ stdenv.mkDerivation rec {
     libXrender
   ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/sphair/ClanLib";
     description = "Cross platform toolkit library with a primary focus on game creation";
-    license = licenses.mit;
-    maintainers = with maintainers; [ nixinator ];
-    platforms = [ "x86_64-linux" ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ nixinator ];
+    platforms = with lib.platforms; lib.intersectLists linux (x86 ++ arm ++ aarch64 ++ riscv);
   };
 }