diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 524741a0da0..527c52bc145 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4712,7 +4712,9 @@ in
 
   pagmo2 = callPackage ../development/libraries/pagmo2 { };
 
-  pakcs = callPackage ../development/compilers/pakcs {};
+  pakcs = callPackage ../development/compilers/pakcs {
+    haskellPackages = haskell.packages.ghc844;
+  };
 
   pal = callPackage ../tools/misc/pal { };