diff --git a/bouncer/bouncer2.js b/bouncer/bouncer2.js
index b2e3920..36906b4 100644
--- a/bouncer/bouncer2.js
+++ b/bouncer/bouncer2.js
@@ -93,6 +93,7 @@ function terminate_sess(id) {
   socks.forEach(sock => {
     if (sock.id !== id) return;
     sock.terminate();
+    socks.delete(sock);
   });
 }
 
diff --git a/config.js.example b/config.js.example
index 6d304e6..e3b882b 100644
--- a/config.js.example
+++ b/config.js.example
@@ -11,6 +11,8 @@ module.exports = {
   // 2 -> Accurate, But every clients will connects to numbers of <relays>
   mode: 1,
 
+  clusters: 1,
+
   // Server information.
   // Only for when nostr client requesting server information.
   server_meta: {
diff --git a/index.js b/index.js
index 1ba3581..d942680 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,4 @@
+const config = require("./config");
 const cluster = require("cluster");
 const fs = require("fs");
 const os = require("os");
@@ -7,7 +8,7 @@ if (!process.env.NO_CLUSTERS && cluster.isPrimary) {
     fs.rmSync(".temporary.db");
   } catch {}
 
-  const numClusters = process.env.CLUSTERS || (os.availableParallelism ? os.availableParallelism() : (os.cpus().length || 2))
+  const numClusters = process.env.CLUSTERS || config.clusters || (os.availableParallelism ? os.availableParallelism() : (os.cpus().length || 2))
 
   console.log(`Primary ${process.pid} is running. Will fork ${numClusters} clusters.`);