diff --git a/pkgs/development/python-modules/pyspf/default.nix b/pkgs/development/python-modules/pyspf/default.nix
new file mode 100644
index 000000000000..6903b6c7a0c0
--- /dev/null
+++ b/pkgs/development/python-modules/pyspf/default.nix
@@ -0,0 +1,20 @@
+{ lib, buildPythonPackage, fetchurl, pydns }:
+
+buildPythonPackage rec {
+  name = "pyspf-${version}";
+  version = "2.0.12";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/pymilter/pyspf/${name}/${name}.tar.gz";
+    sha256 = "18j1rmbmhih7q6y12grcj169q7sx1986qn4gmpla9y5gwfh1p8la";
+  };
+
+  propagatedBuildInputs = [ pydns ];
+
+  meta = with lib; {
+    homepage = http://bmsi.com/python/milter.html;
+    description = "Python API for Sendmail Milters (SPF)";
+    maintainers = with maintainers; [ abbradar ];
+    license = licenses.gpl2;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7111375b10eb..30ef0ea092a4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6278,25 +6278,7 @@ in {
 
   pyroute2 = callPackage ../development/python-modules/pyroute2 { };
 
-  pyspf = buildPythonPackage rec {
-    name = "pyspf-${version}";
-    version = "2.0.12";
-
-    src = pkgs.fetchurl {
-      url = "mirror://sourceforge/pymilter/pyspf/${name}/${name}.tar.gz";
-      sha256 = "18j1rmbmhih7q6y12grcj169q7sx1986qn4gmpla9y5gwfh1p8la";
-    };
-
-    propagatedBuildInputs = with self; [ pydns ];
-
-    meta = {
-      homepage = "http://bmsi.com/python/milter.html";
-      description = "Python API for Sendmail Milters (SPF)";
-      maintainers = with maintainers; [ abbradar ];
-      license = licenses.gpl2;
-      platforms = platforms.all;
-    };
-  };
+  pyspf = callPackage ../development/python-modules/pyspf { };
 
   pysrt = callPackage ../development/python-modules/pysrt { };