diff --git a/e2e/support/config.js b/e2e/support/config.js
index c3cb3d92d71a0a987b3dcc50b272015898459632..c846b0f4d2c8cbd409846614d8fc9da1f6c9dd6e 100644
--- a/e2e/support/config.js
+++ b/e2e/support/config.js
@@ -62,7 +62,10 @@ const defaultConfig = {
 
     on(
       "file:preprocessor",
-      createBundler({ plugins: [NodeModulesPolyfillPlugin()] }),
+      createBundler({
+        plugins: [NodeModulesPolyfillPlugin()],
+        sourcemap: "inline",
+      }),
     );
 
     /********************************************************************