diff --git a/reference/mysql/functions/mysql-result.xml b/reference/mysql/functions/mysql-result.xml
index 5b65d4e061..3031847cda 100644
--- a/reference/mysql/functions/mysql-result.xml
+++ b/reference/mysql/functions/mysql-result.xml
@@ -80,6 +80,9 @@ $link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
 if (!$link) {
     die('Could not connect: ' . mysql_error());
 }
+if (!mysql_select_db('database_name')) {
+    die('Could not select database: ' . mysql_error());
+}
 $result = mysql_query('SELECT name FROM work.employee');
 if (!$result) {
     die('Could not query:' . mysql_error());