diff --git a/assets/js/src/form/form.jsx b/assets/js/src/form/form.jsx
index fdb58e30a4..e1babf256a 100644
--- a/assets/js/src/form/form.jsx
+++ b/assets/js/src/form/form.jsx
@@ -44,7 +44,7 @@ define(
             this.loadItem(this.props.params.id);
           } else {
             this.setState({
-              item: jQuery('.mailpoet_form').serializeObject(),
+              item: jQuery('.mailpoet_form').mailpoetSerializeObject(),
             });
           }
         }
diff --git a/assets/js/src/form_editor/form_editor.js b/assets/js/src/form_editor/form_editor.js
index ad5358cf0c..22e093b46a 100644
--- a/assets/js/src/form_editor/form_editor.js
+++ b/assets/js/src/form_editor/form_editor.js
@@ -1060,7 +1060,7 @@ WysijaForm.Widget = window.Class.create(WysijaForm.Block, {
       template: window.jQuery('#form_template_field_settings').html(),
       data: this.getData(),
       onSuccess: function () {
-        var data = window.jQuery('#form_field_settings').serializeObject();
+        var data = window.jQuery('#form_field_settings').mailpoetSerializeObject();
         this.redraw(data);
       }.bind(this)
     });
diff --git a/assets/js/src/jquery.serialize_object.js b/assets/js/src/jquery.serialize_object.js
index 44ec7fe789..9b4c9a0330 100644
--- a/assets/js/src/jquery.serialize_object.js
+++ b/assets/js/src/jquery.serialize_object.js
@@ -23,7 +23,7 @@ define(
      * Dual licensed under the MIT and GPL licenses.
      * http://benalman.com/about/license/
      */
-    $.fn.serializeObject = function (coerce) {
+    $.fn.mailpoetSerializeObject = function (coerce) {
       var obj = {};
       var coerce_types = { true: !0, false: !1, null: null };
 
diff --git a/assets/js/src/public.js b/assets/js/src/public.js
index e08f11bc13..bc7880c781 100644
--- a/assets/js/src/public.js
+++ b/assets/js/src/public.js
@@ -30,7 +30,7 @@ function (
         });
 
         form.parsley().on('form:submit', function (parsley) {
-          var form_data = form.serializeObject() || {};
+          var form_data = form.mailpoetSerializeObject() || {};
           // check if we're on the same domain
           if (isSameDomain(window.MailPoetForm.ajax_url) === false) {
             // non ajax post request
diff --git a/assets/js/src/subscribers/importExport/import.js b/assets/js/src/subscribers/importExport/import.js
index 16fc9db071..867ff10dcd 100644
--- a/assets/js/src/subscribers/importExport/import.js
+++ b/assets/js/src/subscribers/importExport/import.js
@@ -771,7 +771,7 @@ define(
                   });
                   jQuery('#form_field_new').parsley().on('form:submit', function () {
                     // get data
-                    var data = jQuery(this.$element).serializeObject();
+                    var data = jQuery(this.$element).mailpoetSerializeObject();
 
                     // save custom field
                     MailPoet.Ajax.post({
diff --git a/views/form/templates/settings/field_form.hbs b/views/form/templates/settings/field_form.hbs
index 39bd648805..d3e1da006a 100644
--- a/views/form/templates/settings/field_form.hbs
+++ b/views/form/templates/settings/field_form.hbs
@@ -70,7 +70,7 @@
 
       $('#form_field_new').parsley().on('form:submit', function(parsley) {
         // get data
-        var data = $(this.$element).serializeObject();
+        var data = $(this.$element).mailpoetSerializeObject();
 
         // save custom field
         MailPoet.Ajax.post({
diff --git a/views/settings.html b/views/settings.html
index fc0dbab11a..45d1c4cc0e 100644
--- a/views/settings.html
+++ b/views/settings.html
@@ -80,7 +80,7 @@
 
         function saveSettings() {
           // serialize form data
-          var settings_data = $('#mailpoet_settings_form').serializeObject();
+          var settings_data = $('#mailpoet_settings_form').mailpoetSerializeObject();
 
           // show loading screen
           MailPoet.Modal.loading(true);
diff --git a/views/settings/mta.html b/views/settings/mta.html
index b45eeb387d..2ea8ffc3a6 100644
--- a/views/settings/mta.html
+++ b/views/settings/mta.html
@@ -699,7 +699,7 @@
         // get test email and include it in data
         var recipient = $('#mailpoet_mta_test_email').val();
 
-        var settings = jQuery('#mailpoet_settings_form').serializeObject();
+        var settings = jQuery('#mailpoet_settings_form').mailpoetSerializeObject();
         var mailer = settings.mta;
 
         mailer.method = getMethodFromGroup($('#mta_group').val());