diff --git a/packages/nuxt/src/components/plugins/component-names.ts b/packages/nuxt/src/components/plugins/component-names.ts
index af01adb5dc..47fec70203 100644
--- a/packages/nuxt/src/components/plugins/component-names.ts
+++ b/packages/nuxt/src/components/plugins/component-names.ts
@@ -1,6 +1,7 @@
 import { createUnplugin } from 'unplugin'
 import MagicString from 'magic-string'
 import type { Component } from 'nuxt/schema'
+import type { Program } from 'acorn'
 import { SX_RE, isVue } from '../../core/utils'
 
 interface NameDevPluginOptions {
@@ -34,6 +35,16 @@ export const ComponentNamePlugin = (options: NameDevPluginOptions) => createUnpl
       const s = new MagicString(code)
       s.replace(NAME_RE, `__name: ${JSON.stringify(component.pascalName)}`)
 
+      // Without setup function, vue compiler does not generate __name
+      if (!s.hasChanged()) {
+        const ast = this.parse(code) as Program
+        const exportDefault = ast.body.find(node => node.type === 'ExportDefaultDeclaration')
+        if (exportDefault) {
+          const { start, end } = exportDefault.declaration
+          s.overwrite(start, end, `Object.assign(${code.slice(start, end)}, { __name: ${JSON.stringify(component.pascalName)} })`)
+        }
+      }
+
       if (s.hasChanged()) {
         return {
           code: s.toString(),