diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index f8eea5b..47cfa6b 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -449,7 +449,7 @@
 	 */
 	function _close($conn_id)
 	{
-		mssql_close($conn_id);
+		@mssql_close($conn_id);
 	}	
 
 }