diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
index 87cf1c868338..d5ab65caea71 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
@@ -75,6 +75,7 @@ self: super: {
   weeder = self.weeder_2_3_0;
   generic-lens-core = self.generic-lens-core_2_2_0_0;
   generic-lens = self.generic-lens_2_2_0_0;
+  th-desugar = self.th-desugar_1_12;
 
   # Doesn't allow Dhall 1.39.*
   weeder_2_3_0 = super.weeder_2_3_0.override {