diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index a8025dacd699..88905c45bbbd 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -10992,7 +10992,7 @@ let
     '';
     meta = {
       description = "Transforms TeX and LaTeX into XML/HTML/MathML";
-      license = lib.licenses.free;
+      license = lib.licenses.publicDomain;
     };
     passthru = {
       tlType = "run";