diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 6da645a..22f91ed 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -400,7 +400,7 @@
 			$this->initialize();
 		}
 
-		return $this->_execute($sql, $this->conn_id);
+		return $this->_execute($sql);
 	}
 	
 	// --------------------------------------------------------------------