diff --git a/classes/Validate.php b/classes/Validate.php
index 1b4d31d03..abcd8e171 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -44,7 +44,7 @@ class ValidateCore
 	 */
 	public static function isEmail($email)
 	{
-		return !empty($email) && preg_match(Tools::cleanNonUnicodeSupport('/^[a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]+[.a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]*@[a-z\p{L}0-9]+[._a-z\p{L}0-9-]*\.[a-z0-9]+$/ui'), $email);
+		return !empty($email) && preg_match(Tools::cleanNonUnicodeSupport('/^[a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]+[.a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]*@[a-z\p{L}0-9]+[._a-z\p{L}0-9-]*\.[a-z\p{L}0-9]+$/ui'), $email);
 	}
 
 	/**
@@ -1067,4 +1067,4 @@ class ValidateCore
 	{
 		return (preg_match('/^[0-1]\.[0-9]{1,2}(\.[0-9]{1,2}){0,2}$/', $version) && ip2long($version));
 	}
-}
\ No newline at end of file
+}