diff --git a/Gulpfile.mjs b/Gulpfile.mjs
index bcea77b71ec5..21aa3020848a 100644
--- a/Gulpfile.mjs
+++ b/Gulpfile.mjs
@@ -223,7 +223,7 @@ function getFiles(glob, { include, exclude }) {
 }
 
 function createWorker(useWorker) {
-  const numWorkers = Math.ceil(cpus().length / 2) - 1;
+  const numWorkers = Math.ceil(Math.max(cpus().length, 1) / 2) - 1;
   if (numWorkers === 0 || !useWorker) {
     return require("./babel-worker.cjs");
   }