diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index ad54fc3..08394da 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -129,12 +129,12 @@
 	
 		if ( ! @is_dir($dir_path))
 		{
-			if ( ! @mkdir($dir_path, 0777))
+			if ( ! @mkdir($dir_path, DIR_WRITE_MODE))
 			{
 				return FALSE;
 			}
 			
-			@chmod($dir_path, 0777);			
+			@chmod($dir_path, DIR_WRITE_MODE);			
 		}
 		
 		if (write_file($dir_path.$filename, serialize($object)) === FALSE)
@@ -142,7 +142,7 @@
 			return FALSE;
 		}
 		
-		@chmod($dir_path.$filename, 0777);
+		@chmod($dir_path.$filename, DIR_WRITE_MODE);
 		return TRUE;
 	}
 
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index c859dea..16a8308 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -48,7 +48,7 @@
 	 */	
 	function db_connect()
 	{
-		if ( ! $conn_id = @sqlite_open($this->database, 0666, $error))
+		if ( ! $conn_id = @sqlite_open($this->database, FILE_WRITE_MODE, $error))
 		{
 			log_message('error', $error);
 			
@@ -73,7 +73,7 @@
 	 */	
 	function db_pconnect()
 	{
-		if ( ! $conn_id = @sqlite_popen($this->database, 0666, $error))
+		if ( ! $conn_id = @sqlite_popen($this->database, FILE_WRITE_MODE, $error))
 		{
 			log_message('error', $error);