diff --git a/pkgs/development/haskell-modules/configuration-ghc-head.nix b/pkgs/development/haskell-modules/configuration-ghc-head.nix
index 559096ebd28..a2b6058b166 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-head.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-head.nix
@@ -19,6 +19,7 @@ self: super: {
   directory = null;
   filepath = null;
   ghc-prim = null;
+  ghci = null;
   haskeline = null;
   hoopl = null;
   hpc = null;