diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
index d35285dea40..c5ec38c5194 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.2.x.nix
@@ -40,7 +40,7 @@ self: super: {
   transformers-compat = disableCabalFlag super.transformers-compat "three";
 
   # https://github.com/haskell/cabal/issues/2322
-  Cabal_1_22_0_0 = super.Cabal_1_22_0_0.override { binary = self.binary_0_7_2_3; };
+  Cabal_1_22_0_0 = super.Cabal_1_22_0_0.override { binary = self.binary_0_7_2_3; process = self.process_1_2_1_0; };
 
   # https://github.com/tibbe/hashable/issues/85
   hashable = dontCheck super.hashable;