diff --git a/addons/captcha/captcha.addon.php b/addons/captcha/captcha.addon.php
index 433adf527..a03a9d847 100644
--- a/addons/captcha/captcha.addon.php
+++ b/addons/captcha/captcha.addon.php
@@ -9,7 +9,7 @@ if(!defined("__XE__")) exit();
  * @brief Captcha for a particular action
  * English alphabets and voice verification added
  * */
-if(!class_exists('AddonCaptcha'))
+if(!class_exists('AddonCaptcha', false))
 {
 	// On the mobile mode, XE Core does not load jquery and xe.js as normal.
 	Context::loadFile(array('./common/js/jquery.min.js', 'head', NULL, -100000), true);
diff --git a/addons/captcha_member/captcha_member.addon.php b/addons/captcha_member/captcha_member.addon.php
index ac1e57c5f..211fd8687 100644
--- a/addons/captcha_member/captcha_member.addon.php
+++ b/addons/captcha_member/captcha_member.addon.php
@@ -9,7 +9,7 @@ if(!defined("__XE__")) exit();
  * @brief Captcha for a particular action
  * English alphabets and voice verification added
  * */
-if(!class_exists('AddonMemberCaptcha'))
+if(!class_exists('AddonMemberCaptcha', false))
 {
 	// On the mobile mode, XE Core does not load jquery and xe.js as normal.
 	Context::loadFile(array('./common/js/jquery.min.js', 'head', NULL, -100000), true);
diff --git a/classes/module/ModuleHandler.class.php b/classes/module/ModuleHandler.class.php
index 802a75126..3b20145e3 100644
--- a/classes/module/ModuleHandler.class.php
+++ b/classes/module/ModuleHandler.class.php
@@ -1021,7 +1021,7 @@ class ModuleHandler extends Handler
 			}
 
 			// Get base class name and load the file contains it
-			if(!class_exists($module))
+			if(!class_exists($module, false))
 			{
 				$high_class_file = sprintf('%s%s%s.class.php', _XE_PATH_, $class_path, $module);
 				if(!file_exists($high_class_file))
@@ -1039,7 +1039,7 @@ class ModuleHandler extends Handler
 
 			// Create an instance with eval function
 			require_once($class_file);
-			if(!class_exists($instance_name))
+			if(!class_exists($instance_name, false))
 			{
 				return NULL;
 			}
diff --git a/classes/validator/Validator.class.php b/classes/validator/Validator.class.php
index 11762da50..8ad9d4f13 100644
--- a/classes/validator/Validator.class.php
+++ b/classes/validator/Validator.class.php
@@ -667,7 +667,7 @@ class Validator
 		}
 
 		// current language
-		$lang_type = class_exists('Context') ? Context::getLangType() : 'en';
+		$lang_type = class_exists('Context', false) ? Context::getLangType() : 'en';
 
 		// check the file
 		$filepath = $dir . '/' . md5($this->_version . ' ' . $this->_xml_path) . ".{$lang_type}.js";
@@ -706,7 +706,7 @@ class Validator
 		list($ruleset) = explode('.', $ruleset);
 
 		// current language
-		$lang_type = class_exists('Context') ? Context::getLangType() : 'en';
+		$lang_type = class_exists('Context', false) ? Context::getLangType() : 'en';
 
 		// custom rulesets
 		$addrules = array();
diff --git a/modules/widget/widget.controller.php b/modules/widget/widget.controller.php
index 2fd0fdeeb..f807593cc 100644
--- a/modules/widget/widget.controller.php
+++ b/modules/widget/widget.controller.php
@@ -641,7 +641,7 @@ class widgetController extends widget
 			require_once($class_file);
 
 			// Creating Objects
-			if(!class_exists($widget))
+			if(!class_exists($widget, false))
 			{
 				return sprintf(Context::getLang('msg_widget_object_is_null'), $widget);
 			}