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 1cf01e82fc25..4e6a58a795f0 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.10.x.nix
@@ -101,4 +101,7 @@ in
       refact = null;
     }
   );
+
+  # test-suite uses MultilineStrings, which is only available in GHC 9.12+
+  cabal-add = dontCheck super.cabal-add;
 }