diff --git a/controllers/front/ContactController.php b/controllers/front/ContactController.php
index f429d861d..8b3c4fb0d 100644
--- a/controllers/front/ContactController.php
+++ b/controllers/front/ContactController.php
@@ -117,16 +117,16 @@ class ContactControllerCore extends FrontController
 				}
 				if (!empty($contact->email))
 				{
-					$mailVarList = array(
+					$mail_var_list = array(
 						'{email}' => $from,
 						'{message}' => stripslashes($message),
 						'{id_order}' => (int)Tools::getValue('id_order'),
 						'{attached_file}' => $_FILES['fileUpload']['name'] ? $_FILES['fileUpload']['name'] : '');
 
 					if (Mail::Send($this->context->language->id, 'contact', Mail::l('Message from contact form'),
-								$mailVarList, $contact->email, $contact->name, $from, ($customer->id ? $customer->firstname.' '.$customer->lastname : ''),
+						$mail_var_list, $contact->email, $contact->name, $from, ($customer->id ? $customer->firstname.' '.$customer->lastname : ''),
 								$fileAttachment) &&
-							Mail::Send($this->context->language->id, 'contact_form', Mail::l('Your message has been correctly sent'), $mailVarList, $from))
+							Mail::Send($this->context->language->id, 'contact_form', Mail::l('Your message has been correctly sent'), $mail_var_list, $from))
 								$this->context->smarty->assign('confirmation', 1);
 					else
 						$this->errors[] = Tools::displayError('An error occurred while sending message.');