diff --git a/test/reporters/tests/custom-reporter.spec.ts b/test/reporters/tests/custom-reporter.spec.ts
index f63075ce9..002369fe1 100644
--- a/test/reporters/tests/custom-reporter.spec.ts
+++ b/test/reporters/tests/custom-reporter.spec.ts
@@ -3,6 +3,10 @@ import { resolve } from 'pathe'
 import { expect, test } from 'vitest'
 
 test('custom reporters work', async() => {
+  // in Windows child_process is very unstable, we skip testing it
+  if (process.platform === 'win32' && process.env.CI)
+    return
+
   const root = resolve(__dirname, '..')
 
   const { stdout } = await execa('npx', ['vitest', 'run', '--config', 'custom-reporter.vitest.config.ts'], {