diff --git a/pkgs/development/tools/ocaml/ocaml-top/default.nix b/pkgs/development/tools/ocaml/ocaml-top/default.nix
index b5c506ad9b82..f96ad2248ee2 100644
--- a/pkgs/development/tools/ocaml/ocaml-top/default.nix
+++ b/pkgs/development/tools/ocaml/ocaml-top/default.nix
@@ -1,6 +1,10 @@
 { lib, fetchFromGitHub, ocamlPackages }:
 
-with ocamlPackages; buildDunePackage rec {
+let
+  inherit (ocamlPackages) buildDunePackage lablgtk3-sourceview3 ocp-index;
+in
+
+buildDunePackage rec {
   pname = "ocaml-top";
   version = "1.2.0";