diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix
index 170187a03cd7..98a8cb4d49b8 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix
@@ -36,6 +36,7 @@ self: super: {
   hpc = null;
   integer-gmp = null;
   mtl = null;
+  os-string = null;
   parsec = null;
   pretty = null;
   process = null;