diff --git a/nixos/modules/services/x11/window-managers/xmonad.nix b/nixos/modules/services/x11/window-managers/xmonad.nix
index 43ca39451aa36..089c6b7efed07 100644
--- a/nixos/modules/services/x11/window-managers/xmonad.nix
+++ b/nixos/modules/services/x11/window-managers/xmonad.nix
@@ -50,7 +50,7 @@ let
           makeWrapper ${configured}/bin/xmonad $out/bin/xmonad \
         ''
         + optionalString cfg.enableConfiguredRecompile ''
-          --set XMONAD_GHC "${xmonadEnv}/bin/ghc" \
+          --set XMONAD_GHC "${xmonadEnv}/bin/${xmonadEnv.passthru.targetPrefix}ghc" \
         ''
         + ''
           --set XMONAD_XMESSAGE "${pkgs.xorg.xmessage}/bin/xmessage"
diff --git a/pkgs/applications/window-managers/xmonad/wrapper.nix b/pkgs/applications/window-managers/xmonad/wrapper.nix
index 5128f06988272..3805d523de916 100644
--- a/pkgs/applications/window-managers/xmonad/wrapper.nix
+++ b/pkgs/applications/window-managers/xmonad/wrapper.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   buildCommand = ''
     install -D ${xmonadEnv}/share/man/man1/xmonad.1.gz $out/share/man/man1/xmonad.1.gz
     makeWrapper ${xmonadEnv}/bin/xmonad $out/bin/xmonad \
-      --set XMONAD_GHC "${xmonadEnv}/bin/ghc" \
+      --set XMONAD_GHC "${xmonadEnv}/bin/${xmonadEnv.passthru.targetPrefix}ghc" \
       --set XMONAD_XMESSAGE "${xmessage}/bin/xmessage"
   '';
 
diff --git a/pkgs/development/haskell-modules/with-packages-wrapper.nix b/pkgs/development/haskell-modules/with-packages-wrapper.nix
index 020dc12651b03..aa6e29929f385 100644
--- a/pkgs/development/haskell-modules/with-packages-wrapper.nix
+++ b/pkgs/development/haskell-modules/with-packages-wrapper.nix
@@ -200,7 +200,7 @@ else
       + postBuild;
     preferLocalBuild = true;
     passthru = {
-      inherit (ghc) version meta;
+      inherit (ghc) version meta targetPrefix;
 
       # Inform users about backwards incompatibilities with <= 21.05
       override =