diff --git a/pkgs/development/python-modules/pygame_sdl2/default.nix b/pkgs/development/python-modules/pygame_sdl2/default.nix
new file mode 100644
index 00000000000..6f6163bb35e
--- /dev/null
+++ b/pkgs/development/python-modules/pygame_sdl2/default.nix
@@ -0,0 +1,33 @@
+{ stdenv, pkgs, buildPythonPackage, fetchFromGitHub
+, cython, SDL2, SDL2_image, SDL2_ttf, SDL2_mixer, libjpeg, libpng }:
+
+buildPythonPackage rec {
+  pname = "pygame_sdl2";
+  version = "6.99.10.1227";
+  name = "${pname}-${version}";
+
+  src = fetchFromGitHub {
+    owner = "renpy";
+    repo = "${pname}";
+    rev = "renpy-${version}";
+    sha256 = "10n6janvqh5adn7pcijqwqfh234sybjz788kb8ac6b4l11hy2lx1";
+  };
+
+  buildInputs = [
+    SDL2 SDL2_image SDL2_ttf SDL2_mixer
+    cython libjpeg libpng
+  ];
+
+  postInstall = ''
+    ( cd "$out"/include/python*/ ;
+      ln -s pygame-sdl2 pygame_sdl2 || true ; )
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A reimplementation of parts of pygame API using SDL2";
+    homepage    = "https://github.com/renpy/pygame_sdl2";
+    # Some parts are also available under Zlib License
+    license     = licenses.lgpl2;
+    maintainers = with maintainers; [ raskin ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 62d8c185974..dcaf8e5819a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -196,38 +196,10 @@ in {
 
   pygame-git = callPackage ../development/python-modules/pygame/git.nix { };
 
-  pygame_sdl2 = buildPythonPackage rec {
-    pname = "pygame_sdl2";
-    version = "6.99.10.1227";
-    name = "${pname}-${version}";
-
-    meta = {
-      description = "A reimplementation of parts of pygame API using SDL2";
-      homepage    = "https://github.com/renpy/pygame_sdl2";
-      # Some parts are also available under Zlib License
-      license     = licenses.lgpl2;
-      maintainers = with maintainers; [ raskin ];
-    };
-
-    propagatedBuildInputs = with self; [ ];
-    buildInputs = with pkgs; with self; [
-      SDL2 SDL2_image SDL2_ttf SDL2_mixer
-      cython libjpeg libpng ];
-
-    postInstall = ''
-      ( cd "$out"/include/python*/ ;
-        ln -s pygame-sdl2 pygame_sdl2 || true ; )
-    '';
-
-    src = pkgs.fetchFromGitHub {
-      owner = "renpy";
-      repo = "${pname}";
-      rev = "renpy-${version}";
-      sha256 = "10n6janvqh5adn7pcijqwqfh234sybjz788kb8ac6b4l11hy2lx1";
-    };
-  };
+  pygame_sdl2 = callPackage ../development/python-modules/pygame_sdl2 { };
 
   pygobject2 = callPackage ../development/python-modules/pygobject { };
+
   pygobject3 = callPackage ../development/python-modules/pygobject/3.nix { };
 
   pygtk = callPackage ../development/python-modules/pygtk { libglade = null; };