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-rw-r--r--streaming/index.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/streaming/index.js b/streaming/index.js
index 366a39a6a..5e25085c2 100644
--- a/streaming/index.js
+++ b/streaming/index.js
@@ -19,7 +19,7 @@ dotenv.config({
 if (cluster.isMaster) {
   // cluster master
 
-  const core = +process.env.STREAMING_CLUSTER_NUM || (env === 'development' ? 1 : os.cpus().length - 1)
+  const core = +process.env.STREAMING_CLUSTER_NUM || (env === 'development' ? 1 : (os.cpus().length > 1 ? os.cpus().length - 1 : 1))
   const fork = () => {
     const worker = cluster.fork();
     worker.on('exit', (code, signal) => {