diff --git a/pkgs/development/python-modules/slowaes/default.nix b/pkgs/development/python-modules/slowaes/default.nix
index ef793d7e120..e45ffdfb2e1 100644
--- a/pkgs/development/python-modules/slowaes/default.nix
+++ b/pkgs/development/python-modules/slowaes/default.nix
@@ -11,6 +11,6 @@ buildPythonPackage rec {
   meta = {
     homepage = "http://code.google.com/p/slowaes/";
     description = "AES implemented in pure python";
-    license = stdenv.lib.licenses.apache;
+    license = stdenv.lib.licenses.asl20;
   };
-}
\ No newline at end of file
+}