diff --git a/pkgs/development/haskell-modules/default.nix b/pkgs/development/haskell-modules/default.nix
index e766203bd1f0..3f8a0bb750c7 100644
--- a/pkgs/development/haskell-modules/default.nix
+++ b/pkgs/development/haskell-modules/default.nix
@@ -29,7 +29,7 @@ let
   ];
 
   extensions = lib.composeManyExtensions ([
-    nonHackagePackages
+    (nonHackagePackages { inherit pkgs haskellLib; })
     (configurationNix { inherit pkgs haskellLib; })
     (configurationCommon { inherit pkgs haskellLib; })
   ] ++ platformConfigurations ++ [
diff --git a/pkgs/development/haskell-modules/non-hackage-packages.nix b/pkgs/development/haskell-modules/non-hackage-packages.nix
index 2c397045c665..01d1cbb65823 100644
--- a/pkgs/development/haskell-modules/non-hackage-packages.nix
+++ b/pkgs/development/haskell-modules/non-hackage-packages.nix
@@ -1,3 +1,5 @@
+{ pkgs, haskellLib }:
+
 # EXTRA HASKELL PACKAGES NOT ON HACKAGE
 #
 # This file should only contain packages that are not in ./hackage-packages.nix.