diff --git a/pkgs/applications/networking/browsers/opera/default.nix b/pkgs/applications/networking/browsers/opera/default.nix
index 201a6b947c1a..e1bcbf923677 100644
--- a/pkgs/applications/networking/browsers/opera/default.nix
+++ b/pkgs/applications/networking/browsers/opera/default.nix
@@ -82,5 +82,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.opera.com;
     description = "Web browser";
+    license = "unfree";
   };
 }