diff --git a/lib/sub_manager.js b/lib/sub_manager.js
index fcabfc4..1766ea2 100644
--- a/lib/sub_manager.js
+++ b/lib/sub_manager.js
@@ -39,8 +39,9 @@ SubsManager.prototype.subscribe = function() {
   }
 };
 
-SubsManager.prototype._addSub = function(args) {
+SubsManager.prototype._addSub = function() {
   var self = this;
+  var args = _.toArray(arguments);
   var hash = EJSON.stringify(args);
   var subName = args[0];
   var paramsKey = EJSON.stringify(args.slice(1));
@@ -199,6 +200,6 @@ SubsManager.prototype.reset = function() {
 
 SubsManager.prototype.clear = function() {
   this._cacheList = [];
-  this._cacheMap = [];
+  this._cacheMap = {};
   this._reRunSubs();
-};
\ No newline at end of file
+};