diff --git a/pkgs/development/ocaml-modules/tsdl/default.nix b/pkgs/development/ocaml-modules/tsdl/default.nix
index 354a8ca2098..14c29f3daee 100644
--- a/pkgs/development/ocaml-modules/tsdl/default.nix
+++ b/pkgs/development/ocaml-modules/tsdl/default.nix
@@ -7,16 +7,17 @@ else
 
 let
   pname = "tsdl";
-  version = "0.9.9";
+  version = "1.0.0";
   webpage = "https://erratique.ch/software/${pname}";
 in
 
 stdenv.mkDerivation {
-  name = "ocaml${ocaml.version}-${pname}-${version}";
+  pname = "ocaml${ocaml.version}-${pname}";
+  inherit version;
 
   src = fetchurl {
     url = "${webpage}/releases/${pname}-${version}.tbz";
-    sha256 = "sha256-GqFz+bYG2ESkAEJyP8DKud4JFfU5MGLulzJa5Z4sptQ=";
+    hash = "sha256-XdgzCj9Uqplt/8Jk8rSFaQf8zu+9SZa8b9ZIlW/gjyE=";
   };
 
   strictDeps = true;