diff --git a/default.nix b/default.nix
index 5bf5a15..4e77a05 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,6 @@
 {
-  compiler ? "ghc865"
+  compiler ? "ghc865",
+  withHIE ? false
 }:
 
 let
@@ -37,7 +38,7 @@ in
         hlint
         stylish-haskell
         pkgs.python3Packages.asn1ate
-        hie
-      ];
+      ]
+      ++ (if withHIE then [ hie ] else []);
   };
 }
diff --git a/shell.nix b/shell.nix
index 82fb296..dafd212 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1 +1 @@
-(import ./default.nix {}).shell
+(import ./default.nix {withHIE = true;}).shell