diff --git a/shell.nix b/shell.nix
index be9825a7ea2..ebff8c0b44c 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,6 @@
 { system ? builtins.currentSystem
-, packages ? import ./. { inherit system; }
+, enableHaskellProfiling ? false
+, packages ? import ./. { inherit system enableHaskellProfiling; }
 }:
 let
   inherit (packages) pkgs plutus plutus-playground marlowe-playground plutus-pab marlowe-dashboard deployment docs;