1 files changed, 2 insertions, 0 deletions

diff --git a/default.nix b/default.nix
index f883c52..6f6f442 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,6 @@
 { pkgs ? (import <nixpkgs> {})
 , compilerName ? "ghc801"
+, extraPackages ? (p: [])
 }:
 
 rec {
@@ -20,6 +21,7 @@ rec {
   };
   thermoprint-server = pkgs.callPackage ./server/wrapped.nix {
     inherit (haskellPackages) ghcWithPackages;
+    inherit extraPackages;
     thermoprint-server = haskellPackages.callPackage ./server/thermoprint-server.nix {
       inherit thermoprint-spec thermoprint-client;
     };