diff --git a/packages/plugin-vue/src/utils/descriptorCache.ts b/packages/plugin-vue/src/utils/descriptorCache.ts
index dde91e21d077e5..c2d43cc092b0bf 100644
--- a/packages/plugin-vue/src/utils/descriptorCache.ts
+++ b/packages/plugin-vue/src/utils/descriptorCache.ts
@@ -59,7 +59,7 @@ export function getDescriptor(
       fs.readFileSync(filename, 'utf-8'),
       options
     )
-    if (errors) {
+    if (errors.length) {
       throw errors[0]
     }
     return descriptor