diff --git a/packages/vite/src/node/build.ts b/packages/vite/src/node/build.ts
index db3840110afcb1..61008c9623e70a 100644
--- a/packages/vite/src/node/build.ts
+++ b/packages/vite/src/node/build.ts
@@ -676,7 +676,7 @@ export function resolveBuildOutputs(
     outputs.forEach((output) => {
       if (['umd', 'iife'].includes(output.format!) && !output.name) {
         throw new Error(
-          'Entries in "build.rollupOptions.output" must specify "name" when output formats include "umd" or "iife".'
+          'Entries in "build.rollupOptions.output" must specify "name" when the format is "umd" or "iife".'
         )
       }
     })