diff --git a/lib/run-tests/worker.js b/lib/run-tests/worker.js
index fe1ed1c..b92698c 100644
--- a/lib/run-tests/worker.js
+++ b/lib/run-tests/worker.js
@@ -39,7 +39,7 @@ exports.runTest = async function (test) {
         attrs,
         contents,
         file: path.join(testRoot, file),
-      }),
+      }, { module: isModule ? isModule : undefined }),
       timeout(file),
     ]);
   } catch (error) {