diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index 017f2ea7637a..f03fc73387f3 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -239,6 +239,8 @@ self: super: builtins.intersectAttrs super {
       }
     );
 
+  llvm-hs = super.llvm-hs.override { llvm-config = pkgs.llvm_4; };
+
   # Needs help finding LLVM.
   spaceprobe = addBuildTool super.spaceprobe self.llvmPackages.llvm;