diff --git a/tests/src/Test/Tasty/Clash.hs b/tests/src/Test/Tasty/Clash.hs
index a6779c08cd..c8c4807db4 100644
--- a/tests/src/Test/Tasty/Clash.hs
+++ b/tests/src/Test/Tasty/Clash.hs
@@ -427,9 +427,10 @@ runTest1
 runTest1 modName opts@TestOptions{..} path target =
   withResource mkTmpDir Directory.removeDirectoryRecursive $ \tmpDir ->
     sequentialTestGroup (show target) AllSucceed
-      ( clashTest tmpDir
-      : verifTests tmpDir
-      : hdlTests tmpDir )
+      [ clashTest tmpDir
+      , testGroup "verif" [verifTests tmpDir]
+      , testGroup "sim" (hdlTests tmpDir)
+      ]
  where
   mkTmpDir = flip createTempDirectory "clash-test" =<< getCanonicalTemporaryDirectory
   sourceDir = List.foldl' (</>) sourceDirectory (reverse (tail path))