diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/3.0.nix b/pkgs/development/tools/ocaml/js_of_ocaml/default.nix
similarity index 100%
rename from pkgs/development/tools/ocaml/js_of_ocaml/3.0.nix
rename to pkgs/development/tools/ocaml/js_of_ocaml/default.nix
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 130bd3449827..4be489c76ebb 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -401,7 +401,7 @@ let
 
     jingoo = callPackage ../development/ocaml-modules/jingoo { };
 
-    js_of_ocaml = callPackage ../development/tools/ocaml/js_of_ocaml/3.0.nix { };
+    js_of_ocaml = callPackage ../development/tools/ocaml/js_of_ocaml { };
 
     js_of_ocaml-camlp4 = callPackage ../development/tools/ocaml/js_of_ocaml/camlp4.nix {};