diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index ade95838efc..789d83c4be0 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -144,7 +144,14 @@ let
 
       tests.haskell = packagePlatforms pkgs.tests.haskell;
 
-      nixosTests.agda = (packagePlatforms pkgs.nixosTests).agda;
+      nixosTests = {
+        inherit (packagePlatforms pkgs.nixosTests)
+          agda
+          xmonad
+          xmonad-xdg-autostart
+        ;
+      };
+
       agdaPackages = packagePlatforms pkgs.agdaPackages;
 
       # top-level packages that depend on haskellPackages