diff --git a/packages/@vue/cli-service/__tests__/generator.spec.js b/packages/@vue/cli-service/__tests__/generator.spec.js
index 2fba9353dc..5da85eb2b1 100644
--- a/packages/@vue/cli-service/__tests__/generator.spec.js
+++ b/packages/@vue/cli-service/__tests__/generator.spec.js
@@ -11,7 +11,7 @@ function generateWithOptions (options) {
 }
 
 test('sass (default)', async () => {
-  const { pkg, files } = await await generateWithOptions({
+  const { pkg, files } = await generateWithOptions({
     cssPreprocessor: 'sass'
   })