diff --git a/examples/module/test/dot-config.test.ts b/examples/module/test/dot-config.test.ts
new file mode 100644
index 000000000..e4889ef48
--- /dev/null
+++ b/examples/module/test/dot-config.test.ts
@@ -0,0 +1,26 @@
+import { fileURLToPath } from 'node:url'
+import { describe, expect, it } from 'vitest'
+import { $fetch, setup, startServer } from '@nuxt/test-utils/e2e'
+
+describe('ssr', async () => {
+  await setup({
+    rootDir: fileURLToPath(new URL('./fixtures/dot-config', import.meta.url)),
+  })
+
+  it('renders the index page', async () => {
+    // Get response to a server-rendered page with `$fetch`.
+    const html = await $fetch('/')
+    expect(html).toContain('<div>dot-config <span>original value</span></div>')
+  })
+
+  it('changes runtime config and restarts', { timeout: 120000 }, async () => {
+    await startServer({ env: { NUXT_PUBLIC_MY_VALUE: 'overwritten by test!' } })
+
+    const html = await $fetch('/')
+    expect(html).toContain('<div>dot-config <span>overwritten by test!</span></div>')
+
+    await startServer()
+    const htmlRestored = await $fetch('/')
+    expect(htmlRestored).toContain('<div>dot-config <span>original value</span></div>')
+  })
+})
diff --git a/examples/module/test/fixtures/dot-config/.config/nuxt.ts b/examples/module/test/fixtures/dot-config/.config/nuxt.ts
new file mode 100644
index 000000000..37dfc832c
--- /dev/null
+++ b/examples/module/test/fixtures/dot-config/.config/nuxt.ts
@@ -0,0 +1,13 @@
+import MyModule from '../../../../src/module'
+
+export default defineNuxtConfig({
+  modules: [
+    MyModule,
+  ],
+  runtimeConfig: {
+    public: {
+      myValue: 'original value',
+    },
+  },
+  compatibilityDate: '2024-04-03',
+})
diff --git a/examples/module/test/fixtures/dot-config/app.vue b/examples/module/test/fixtures/dot-config/app.vue
new file mode 100644
index 000000000..6b47d7a7d
--- /dev/null
+++ b/examples/module/test/fixtures/dot-config/app.vue
@@ -0,0 +1,7 @@
+<template>
+  <div>dot-config <span>{{ config.public.myValue }}</span></div>
+</template>
+
+<script setup>
+const config = useRuntimeConfig()
+</script>
diff --git a/examples/module/test/fixtures/dot-config/package.json b/examples/module/test/fixtures/dot-config/package.json
new file mode 100644
index 000000000..3503431ee
--- /dev/null
+++ b/examples/module/test/fixtures/dot-config/package.json
@@ -0,0 +1,5 @@
+{
+  "private": true,
+  "name": "example-module-dot-config-fixture",
+  "type": "module"
+}
diff --git a/src/e2e/nuxt.ts b/src/e2e/nuxt.ts
index 7f8988687..b6fa72d07 100644
--- a/src/e2e/nuxt.ts
+++ b/src/e2e/nuxt.ts
@@ -14,6 +14,10 @@ const isNuxtApp = (dir: string) => {
     || existsSync(resolve(dir, 'nuxt.config.mjs'))
     || existsSync(resolve(dir, 'nuxt.config.cjs'))
     || existsSync(resolve(dir, 'nuxt.config.ts'))
+    || existsSync(resolve(dir, '.config', 'nuxt.js'))
+    || existsSync(resolve(dir, '.config', 'nuxt.mjs'))
+    || existsSync(resolve(dir, '.config', 'nuxt.cjs'))
+    || existsSync(resolve(dir, '.config', 'nuxt.ts'))
   )
 }