diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 5d74adccdaa9..deee9cbfb844 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -871,7 +871,7 @@ let
           else
             null;
 
-        janeStreet =
+        janeStreet = lib.recurseIntoAttrs (
           if lib.versionOlder "5.1" ocaml.version then
             import ../development/ocaml-modules/janestreet/0.17.nix {
               inherit self;
@@ -928,7 +928,8 @@ let
             }
           else
             import ../development/ocaml-modules/janestreet {
-            };
+            }
+        );
 
         javalib = callPackage ../development/ocaml-modules/javalib { };