diff --git a/pkgs/tools/networking/surfraw/default.nix b/pkgs/tools/networking/surfraw/default.nix
index b23616c57e9..80daf6447ef 100644
--- a/pkgs/tools/networking/surfraw/default.nix
+++ b/pkgs/tools/networking/surfraw/default.nix
@@ -19,5 +19,6 @@ stdenv.mkDerivation rec {
     homepage = http://surfraw.alioth.debian.org;
     maintainers = [];
     platforms = stdenv.lib.platforms.linux;
+    license = stdenv.lib.licenses.publicDomain;
   };
 }