diff --git a/pkgs/by-name/cu/cups-bjnp/package.nix b/pkgs/by-name/cu/cups-bjnp/package.nix
index 6a751adf7fdd..7ec11010d588 100644
--- a/pkgs/by-name/cu/cups-bjnp/package.nix
+++ b/pkgs/by-name/cu/cups-bjnp/package.nix
@@ -39,5 +39,6 @@ stdenv.mkDerivation (finalAttrs: {
     '';
     homepage = "http://cups-bjnp.sourceforge.net";
     platforms = lib.platforms.linux;
+    license = lib.licenses.gpl2Plus;
   };
 })