diff --git a/lib/core/events.js b/lib/core/events.js
index f63e282bf..50a0a4d95 100644
--- a/lib/core/events.js
+++ b/lib/core/events.js
@@ -14,6 +14,7 @@ function log(eventType, eventName) {
   //console.log(eventType, eventName);
 }
 
+EventEmitter.prototype._maxListeners = 50;
 const _on         = EventEmitter.prototype.on;
 const _setHandler = EventEmitter.prototype.setHandler;