diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 000e17b9e..672ec7403 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -43,6 +43,8 @@ module.exports = class MetamaskController extends EventEmitter {
   constructor (opts) {
     super()
 
+    this.defaultMaxListeners = 20
+
     this.sendUpdate = debounce(this.privateSendUpdate.bind(this), 200)
 
     this.opts = opts