diff --git a/eslint.config.mjs b/eslint.config.mjs
index 6b276e29d..3fdd9e49d 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -12,7 +12,7 @@ export default [
   { languageOptions: { globals: globals.node } },
   pluginJs.configs.recommended,
   ...tseslint.configs.recommended,
-  mocha.configs['flat'].recommended,
+  mocha.configs.recommended,
   stylistic.configs['recommended-flat'],
   {
     rules: {
diff --git a/packages/stream/lib/index.test.ts b/packages/stream/lib/index.test.ts
index 01201b53f..5b3571181 100644
--- a/packages/stream/lib/index.test.ts
+++ b/packages/stream/lib/index.test.ts
@@ -6,6 +6,7 @@ import { DisconnectedError, OpenOptions, SerialPortStream } from './'
 import { assert } from '../../../test/assert'
 
 const sandbox = sinon.createSandbox()
+
 describe('SerialPort', () => {
   const openOpts: OpenOptions<MockBindingInterface> = { path: '/dev/exists', baudRate: 9600, binding: MockBinding }