2 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/ulex/0.8/default.nix b/pkgs/development/ocaml-modules/ulex/0.8/default.nix
index e996b6223b1e..77ffa7528981 100644
--- a/pkgs/development/ocaml-modules/ulex/0.8/default.nix
+++ b/pkgs/development/ocaml-modules/ulex/0.8/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.cduce.org/download.html;
     description = "ulex is a lexer generator for Unicode and OCaml";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.roconnor ];
   };
 }
diff --git a/pkgs/development/ocaml-modules/ulex/default.nix b/pkgs/development/ocaml-modules/ulex/default.nix
index 19beeec1ec54..72efaa0606d7 100644
--- a/pkgs/development/ocaml-modules/ulex/default.nix
+++ b/pkgs/development/ocaml-modules/ulex/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://www.cduce.org/download.html;
     description = "ulex is a lexer generator for Unicode and OCaml";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.roconnor ];
   };
 }