diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php
index ea3f8e4..b6e5f2b 100644
--- a/system/database/drivers/mssql/mssql_result.php
+++ b/system/database/drivers/mssql/mssql_result.php
@@ -74,6 +74,7 @@
 	public function list_fields()
 	{
 		$field_names = array();
+		mssql_field_seek($this->result_id, 0);
 		while ($field = mssql_fetch_field($this->result_id))
 		{
 			$field_names[] = $field->name;