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;
diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php
index 1ed2759..a2affcb 100644
--- a/system/database/drivers/mysql/mysql_result.php
+++ b/system/database/drivers/mysql/mysql_result.php
@@ -89,6 +89,7 @@
 	public function list_fields()
 	{
 		$field_names = array();
+		mysql_field_seek($this->result_id, 0);
 		while ($field = mysql_fetch_field($this->result_id))
 		{
 			$field_names[] = $field->name;
diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php
index 4105f99..3fe05f9 100644
--- a/system/database/drivers/mysqli/mysqli_result.php
+++ b/system/database/drivers/mysqli/mysqli_result.php
@@ -74,6 +74,7 @@
 	public function list_fields()
 	{
 		$field_names = array();
+		$this->result_id->field_seek(0);
 		while ($field = $this->result_id->fetch_field())
 		{
 			$field_names[] = $field->name;