diff --git a/webui/model/user/auth.php b/webui/model/user/auth.php
index 5dc23f92..b71e4ed8 100644
--- a/webui/model/user/auth.php
+++ b/webui/model/user/auth.php
@@ -129,7 +129,7 @@ class ModelUserAuth extends Model {
 
       $uid = $this->model_user_user->get_uid_by_email($email);
       if($uid < 1) {
-         $uid = $this->model_user_user->get_next_uid();
+         $uid = $this->model_user_user->get_next_uid(TABLE_EMAIL);
          $query = $this->db->query("INSERT INTO " . TABLE_EMAIL . " (uid, email) VALUES(?,?)", array($uid, $email));
       }
 
diff --git a/webui/model/user/user.php b/webui/model/user/user.php
index 01c35778..2dd49960 100644
--- a/webui/model/user/user.php
+++ b/webui/model/user/user.php
@@ -294,9 +294,9 @@ class ModelUserUser extends Model {
    }
 
 
-   public function get_next_uid() {
+   public function get_next_uid($table = TABLE_USER) {
 
-      $query = $this->db->query("SELECT MAX(uid) AS last_id FROM " . TABLE_USER);
+      $query = $this->db->query("SELECT MAX(uid) AS last_id FROM " . $table);
 
       if(isset($query->row['last_id']) && $query->row['last_id'] > 0) {
          return (int)$query->row['last_id'] + 1;