From c7fc1d4a532eae7b519bd70c6eba701e23b0635a Mon Sep 17 00:00:00 2001
From: dragonHandsome <61896951+dragonHandsome@users.noreply.github.com>
Date: Mon, 16 May 2022 02:51:02 +0800
Subject: [PATCH] fix(plugin-legacy): fail to get the fileName (#5250)

---
 packages/plugin-legacy/src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/plugin-legacy/src/index.ts b/packages/plugin-legacy/src/index.ts
index 5fedb716f04f86..d107a2d66ac619 100644
--- a/packages/plugin-legacy/src/index.ts
+++ b/packages/plugin-legacy/src/index.ts
@@ -591,7 +591,7 @@ async function buildPolyfillChunk(
   }
 
   // add the chunk to the bundle
-  bundle[polyfillChunk.name] = polyfillChunk
+  bundle[polyfillChunk.fileName] = polyfillChunk
 }
 
 const polyfillId = '\0vite/legacy-polyfills'