diff --git a/default.nix b/default.nix
index 47275d6..11abc6d 100644
--- a/default.nix
+++ b/default.nix
@@ -28,6 +28,8 @@ in
     jsaddle-warp = nixpkgs.haskell.lib.dontCheck (super.callPackage (jsaddle + "/jsaddle-warp") {});
     jsaddle = super.callPackage (jsaddle + "/jsaddle") {};
     miso = super.callPackage (miso + "/miso-ghc-jsaddle.nix") {};
+    haskeline = super.callHackage "haskeline" "0.7.1.0" {};
+    terminfo = super.callHackage "terminfo" "0.4.1.1" {};
   };
   tools = with haskellPackages; [
     ghcid
diff --git a/project.nix b/project.nix
index 8301d39..4471525 100644
--- a/project.nix
+++ b/project.nix
@@ -15,7 +15,7 @@ in
 let
 
   overrides' = nixpkgs.lib.foldr nixpkgs.lib.composeExtensions (_: _: {}) [
-    (self: super: mapAttrs (name: path: nixpkgs.haskellPackages.callCabal2nix name path {}) packages)
+    (self: super: mapAttrs (name: path: self.callCabal2nix name path {}) packages)
     overrides
   ];
   haskellPackages' = haskellPackages.override { overrides = overrides'; };