diff --git a/pkgs/development/haskell-modules/with-packages-wrapper.nix b/pkgs/development/haskell-modules/with-packages-wrapper.nix
index 6fb552d22c75..b683febeaf6c 100644
--- a/pkgs/development/haskell-modules/with-packages-wrapper.nix
+++ b/pkgs/development/haskell-modules/with-packages-wrapper.nix
@@ -178,7 +178,7 @@ else
     + postBuild;
     preferLocalBuild = true;
     passthru = {
-      inherit (ghc) version meta;
+      inherit (ghc) version meta targetPrefix;
 
       hoogle = hoogleWithPackages';