diff --git a/udev.conf b/udev.conf
index aadaea8a24..c3f31a6aa7 100644
--- a/udev.conf
+++ b/udev.conf
@@ -19,5 +19,5 @@ udev_permissions="/etc/udev/udev.permissions"
 
 # default_mode - set the default mode for all nodes that have no 
 #                explicit match in the permissions file
-default_mode="0666"
+default_mode="0600"