diff --git a/support/aphlict/server/lib/AphlictListenerList.js b/support/aphlict/server/lib/AphlictListenerList.js
--- a/support/aphlict/server/lib/AphlictListenerList.js
+++ b/support/aphlict/server/lib/AphlictListenerList.js
@@ -42,7 +42,7 @@
     },
 
     getActiveListenerCount: function() {
-      return this._listeners.length;
+      return Object.keys(this._listeners).length;
     },
 
     getTotalListenerCount: function() {