diff --git a/lib/runifmain.js b/lib/runifmain.js
index b9ebe1d..2b51303 100644
--- a/lib/runifmain.js
+++ b/lib/runifmain.js
@@ -10,8 +10,12 @@ import { errorreporter, summaryreporter } from '../index.js'
 const runifmain = async (meta, fn, ...args) => {
   if (!isMain(meta)) return
 
-  if (args.length == 0) args.push(summaryreporter(), errorreporter())
-  await fn(...args)
+  if (fn.name === 'runner' && fn.run) {
+    if (args.length == 0) args.push(summaryreporter(), errorreporter())
+    await fn.run(...args)
+  } else {
+    await fn(...args)
+  }
 }
 
 export { runifmain }