diff --git a/default.nix b/default.nix
index 4b4511f..839dd8e 100644
--- a/default.nix
+++ b/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage    = "https://github.com/arximboldi/zug";
     description = "library for functional interactive c++ programs";
-    license     = licenses.lgpl3Plus;
+    license     = licenses.boost;
   };
 }