diff --git a/pkgs/development/ocaml-modules/lwt_react/default.nix b/pkgs/development/ocaml-modules/lwt_react/default.nix
index 8b06045445b6..5513935133e8 100644
--- a/pkgs/development/ocaml-modules/lwt_react/default.nix
+++ b/pkgs/development/ocaml-modules/lwt_react/default.nix
@@ -2,9 +2,9 @@
 
 stdenv.mkDerivation rec {
   version = "1.0.1";
-  pname = "ocaml${ocaml.version}-lwt_react";
+  name = "ocaml${ocaml.version}-lwt_react-${version}";
   src = fetchzip {
-    url = "https://github.com/ocsigen/lwt/releases/download/3.0.0/lwt_react-${version}.tar.gz";
+    url = "https://github.com/ocsigen/lwt/releases/download/3.0.0/lwt_react-1.0.1.tar.gz";
     sha256 = "1bbz7brvdskf4angzn3q2s2s6qdnx7x8m8syayysh23gwv4c7v31";
   };