diff --git a/lib/utils/build-safe-sonic-boom.js b/lib/utils/build-safe-sonic-boom.js
index 1ed1f6e7..fadfe290 100644
--- a/lib/utils/build-safe-sonic-boom.js
+++ b/lib/utils/build-safe-sonic-boom.js
@@ -17,6 +17,11 @@ function buildSafeSonicBoom (opts) {
   const stream = new SonicBoom(opts)
   stream.on('error', filterBrokenPipe)
   // if we are sync: false, we must flush on exit
+  // NODE_V8_COVERAGE must breaks everything
+  // https://github.com/nodejs/node/issues/49344
+  if (!process.env.NODE_V8_COVERAGE && !opts.sync && isMainThread) {
+    setupOnExit(stream)
+  }
   if (!opts.sync && isMainThread) {
     setupOnExit(stream)
   }