diff --git a/packages/vite/src/vite-node.ts b/packages/vite/src/vite-node.ts
index 7036a8ffeef..1afe8c89a09 100644
--- a/packages/vite/src/vite-node.ts
+++ b/packages/vite/src/vite-node.ts
@@ -56,6 +56,7 @@ function getManifest (ctx: ViteBuildContext) {
     '@vite/client': {
       file: '@vite/client',
       css,
+      module: true,
       isEntry: true
     },
     [ctx.entry]: {