diff --git a/pkgs/development/libraries/mythes/default.nix b/pkgs/development/libraries/mythes/default.nix
index dd40a3962449..28888e551ef6 100644
--- a/pkgs/development/libraries/mythes/default.nix
+++ b/pkgs/development/libraries/mythes/default.nix
@@ -14,6 +14,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://hunspell.sourceforge.net/;
     description = "Thesaurus library from Hunspell project";
+    license = stdenv.lib.licenses.bsd3;
     inherit (hunspell.meta) platforms;
   };
 }