diff --git a/pkgs/development/libraries/fmod/default.nix b/pkgs/development/libraries/fmod/default.nix
index a6196a57c553..f73480b3ce46 100644
--- a/pkgs/development/libraries/fmod/default.nix
+++ b/pkgs/development/libraries/fmod/default.nix
@@ -23,5 +23,6 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.fmod.org/;
     description = "Programming library and toolkit for the creation and playback of interactive audio";
+    license = "unfree";
   };
 }