diff --git a/dist/jquery.longpoll.min.js b/dist/jquery.longpoll.min.js
index 6d62393..a15afb0 100644
--- a/dist/jquery.longpoll.min.js
+++ b/dist/jquery.longpoll.min.js
@@ -4,4 +4,4 @@
  * @license https://opensource.org/licenses/BSD-3-Clause
  * @author Viktor Khokhryakov <viktor.khokhryakov@gmail.com>
  */
-!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):a("object"==typeof exports?require("jquery"):jQuery)}(function(a){"use strict";function b(b,c){function e(){i=a.ajax({type:f.type,url:f.url,data:g,dataType:"json"}).done(function(b){var c=!1;a.each(b.params,function(a,b){if(g[a]!=b)return c=!0,!1}),g=b.params,c&&a.isFunction(j.callback)&&j.callback.call(j,b.data),h=setTimeout(e,f.pollInterval)}).fail(function(a){a.status&&(h=setTimeout(e,f.pollErrorInterval))}).always(function(){i=null})}var f=a.extend({},d,c||{});if(!a.isPlainObject(f.params)||a.isEmptyObject(f.params))throw new Error('Invalid "params" property');var g=f.params,h=null,i=null,j=this;this.callback=f.callback,this.getId=function(){return b},this.isActive=function(){return null!==i||null!==h},this.start=function(){j.isActive()||e()},this.stop=function(){null!==i&&i.abort(),null!==h&&(clearTimeout(h),h=null)}}a.longpoll={get:function(a){return c[a]},register:function(a,d){if("string"!=typeof a)throw new Error('The "id" must be a string');return void 0!==c[a]&&c[a].stop(),c[a]=new b(a,d),c[a]},destroy:function(a){void 0!==c[a]&&(c[a].stop(),delete c[a])}};var c={},d={type:"GET",url:void 0,params:void 0,callback:void 0,pollInterval:500,pollErrorInterval:5e3}});
\ No newline at end of file
+!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):a("object"==typeof exports?require("jquery"):jQuery)}(function(a){"use strict";function b(b,c){function e(){i=a.ajax({type:f.type,url:f.url,data:g,dataType:"json"}).done(function(b){a.each(b.params,function(c,d){if(g[c]!==d)return g=b.params,a.isFunction(j.callback)&&j.callback.call(j,b.data),!1}),h=setTimeout(e,f.pollInterval)}).fail(function(a){a.status&&(h=setTimeout(e,f.pollErrorInterval))}).always(function(){i=null})}var f=a.extend({},d,c||{});if(!a.isPlainObject(f.params)||a.isEmptyObject(f.params))throw new Error('Invalid "params" property');var g=f.params,h=null,i=null,j=this;this.callback=f.callback,this.getId=function(){return b},this.isActive=function(){return null!==i||null!==h},this.start=function(){j.isActive()||e()},this.stop=function(){null!==i&&i.abort(),null!==h&&(clearTimeout(h),h=null)}}a.longpoll={get:function(a){return c[a]},register:function(a,d){if("string"!=typeof a)throw new Error('The "id" must be a string');return void 0!==c[a]&&c[a].stop(),c[a]=new b(a,d),c[a]},destroy:function(a){void 0!==c[a]&&(c[a].stop(),delete c[a])}};var c={},d={type:"GET",url:void 0,params:void 0,callback:void 0,pollInterval:500,pollErrorInterval:5e3}});
\ No newline at end of file
diff --git a/package.json b/package.json
index 0d76661..da5ae5f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jquery-longpoll-client",
-  "version": "0.2.1",
+  "version": "0.3.0",
   "description": "Simple client-side longpoll implementation",
   "keywords": ["jquery", "ajax", "longpoll", "comet"],
   "main": "src/jquery.longpoll.js",
diff --git a/src/jquery.longpoll.js b/src/jquery.longpoll.js
index 5c0f0fa..4c6f403 100644
--- a/src/jquery.longpoll.js
+++ b/src/jquery.longpoll.js
@@ -91,17 +91,15 @@
         data: params,
         dataType: "json"
       }).done(function (response) {
-        var triggered = false;
         $.each(response.params, function (id, value) {
-          if (params[id] != value) {
-            triggered = true;
+          if (params[id] !== value) {
+            params = response.params;
+            if ($.isFunction(self.callback)) {
+              self.callback.call(self, response.data);
+            }
             return false;
           }
         });
-        params = response.params;
-        if (triggered && $.isFunction(self.callback)) {
-          self.callback.call(self, response.data);
-        }
         timeoutId = setTimeout(doLoop, settings.pollInterval);
       }).fail(function (e) {
         if (e.status) {