diff --git a/pkgs/by-name/op/openscenegraph/package.nix b/pkgs/by-name/op/openscenegraph/package.nix
index b1f9dcb63d9a..9fddd9562b7a 100644
--- a/pkgs/by-name/op/openscenegraph/package.nix
+++ b/pkgs/by-name/op/openscenegraph/package.nix
@@ -147,6 +147,9 @@ stdenv.mkDerivation rec {
       raskin
     ];
     platforms = with platforms; linux ++ darwin;
-    license = "OpenSceneGraph Public License - free LGPL-based license";
+    license = with lib.licenses; [
+      lgpl21Only
+      wxWindowsException31
+    ];
   };
 }