diff --git a/application/libraries/Aauth.php b/application/libraries/Aauth.php
index 007b572a..f36f6a33 100644
--- a/application/libraries/Aauth.php
+++ b/application/libraries/Aauth.php
@@ -789,7 +789,8 @@ public function update_user($user_id, $email = FALSE, $pass = FALSE, $name = FAL
 				$this->error($this->CI->lang->line('aauth_error_update_email_exists'));
 				$valid = FALSE;
 			}
-			if (!valid_email($email)){
+			$valid_email = (bool) filter_var($email, FILTER_VALIDATE_EMAIL);
+			if (!$valid_email){
 				$this->error($this->CI->lang->line('aauth_error_email_invalid'));
 				$valid = FALSE;
 			}