diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
index 5bf0d0785a38..25eab66293dd 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
@@ -88,5 +88,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Adobe Flash Player browser plugin";
     homepage = http://www.adobe.com/products/flashplayer/;
+    license = "unfree";
   };
 }