diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 10440572597..7e8e152b21d 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -212,12 +212,7 @@ self: super: {
 
   double-conversion = if !pkgs.stdenv.isDarwin
     then super.double-conversion
-    else addExtraLibrary (overrideCabal super.double-conversion (drv:
-      {
-        postPatch = ''
-          substituteInPlace double-conversion.cabal --replace stdc++ c++
-        '';
-      })) pkgs.libcxx;
+    else addExtraLibrary super.double-conversion pkgs.libcxx;
 
   inline-c-cpp = if !pkgs.stdenv.isDarwin
     then super.inline-c-cpp