diff --git a/module/search/model.php b/module/search/model.php
index de5c5faf70..92a7c785b2 100644
--- a/module/search/model.php
+++ b/module/search/model.php
@@ -176,7 +176,7 @@ class searchModel extends model
                 if($operator == 'between' and !isset($this->config->search->dynamic[$value])) $operator = '=';
                 $condition = $operator . ' ' . $this->dbh->quote($value) . ' ';
 
-                if($operator == '=' and $this->post->$fieldName == 'id' and preg_match('/^[0-9]+(,[0-9]+)+/', $value))
+                if($operator == '=' and $this->post->$fieldName == 'id' and preg_match('/^[0-9]+(,[0-9]+)+/', $value) and !preg_match('/[\x00-\xff]+/', $value))
                 {
                     $values = explode(',', trim($this->dbh->quote($value), "'"));
                     foreach($values as $value)