diff --git a/pkgs/development/ocaml-modules/dtools/default.nix b/pkgs/development/ocaml-modules/dtools/default.nix
index 2a4f65af58b9..9b94bf1a7ac8 100644
--- a/pkgs/development/ocaml-modules/dtools/default.nix
+++ b/pkgs/development/ocaml-modules/dtools/default.nix
@@ -20,7 +20,7 @@ buildDunePackage rec {
   meta = with lib; {
     homepage = "https://github.com/savonet/ocaml-dtools";
     description = "Library providing various helper functions to make daemons";
-    license = licenses.gpl2Plus;
+    license = licenses.gpl2Only;
     maintainers = with maintainers; [ dandellion ];
   };
 }