diff --git a/devices/wlin/default.nix b/devices/wlin/default.nix
index a1354827..664170ad 100644
--- a/devices/wlin/default.nix
+++ b/devices/wlin/default.nix
@@ -9,7 +9,7 @@ let
     nixpkgs = { march = "haswell"; nixRoot = "/data/gpfs01/wlin/.nix"; nixos = false; };
   });
   python = pkgs.python3.withPackages (ps: with ps; [ phonopy ]);
-  chn-bsub = pkgs.localPackages.chn-bsub.overrideAttrs
+  chn-bsub = pkgs.localPackages.chn-bsub.override
     (prev: { bsubConfig = builtins.toFile "bsub.yaml" (builtins.toJSON (import ./bsub.nix)); });
   wlin = pkgs.symlinkJoin
   {
@@ -20,6 +20,6 @@ let
       lsd
     ];
     postBuild = "echo ${inputs.self.rev or "dirty"} > $out/.version";
-    passthru = { inherit pkgs; archive = pkgs.closureInfo { rootPaths = [ wlin.drvPath ]; }; };
+    passthru = { inherit pkgs chn-bsub; archive = pkgs.closureInfo { rootPaths = [ wlin.drvPath ]; }; };
   };
 in wlin
diff --git a/packages/chn-bsub/default.nix b/packages/chn-bsub/default.nix
index 61f2a34e..db5c07ec 100644
--- a/packages/chn-bsub/default.nix
+++ b/packages/chn-bsub/default.nix
@@ -6,4 +6,5 @@
   nativeBuildInputs = [ cmake pkg-config ];
   postInstall = "ln -s chn-bsub $out/bin/chn_bsub";
   cmakeFlags = lib.optional (bsubConfig != null) [ "-DBSUB_CONFIG=${bsubConfig}" ];
+  passthru = { inherit bsubConfig; };
 }