diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
index 8b0e66e5b79..298d748da97 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.0.x.nix
@@ -82,4 +82,6 @@ self: super: {
 
   diagrams-lib   = doJailbreak super.diagrams-lib;
 
+  foldl          = doJailbreak super.foldl;
+
 }