diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index f22a627da9b30ee7223b6cb3be544447a353f2ee..69d5ccfd9a28da56b5a4cd4a0c46c992a22e93cb 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -1481,12 +1481,12 @@ class installer_base {
 
 		//* Create the slave subdirectory
 		$content .= 'slave';
-		if(!@is_dir($content)) mkdir($content, 2770, true);
+		if(!@is_dir($content)) mkdir($content, 02770, true);
 
 		//* Chown the slave subdirectory to $conf['bind']['bind_user']
 		chown($content, $conf['bind']['bind_user']);
 		chgrp($content, $conf['bind']['bind_group']);
-		chmod($content, 2770);
+		chmod($content, 02770);
 
 	}
 
@@ -2822,4 +2822,4 @@ Email Address []:
 
 }
 
-?>
\ No newline at end of file
+?>