diff --git a/net/edit_bifc.cgi b/net/edit_bifc.cgi
index 7adf852ce..c1d8d50a2 100755
--- a/net/edit_bifc.cgi
+++ b/net/edit_bifc.cgi
@@ -132,7 +132,8 @@ else {
 # MTU
 if (&can_edit("mtu", $b) && $access{'mtu'}) {
 	$mtufield = &ui_opt_textbox(
-		"mtu", $b ? $b->{'mtu'} : $config{'def_mtu'}, 8);
+		"mtu", $b ? $b->{'mtu'} : $config{'def_mtu'}, 8,
+		$text{'default'});
 	}
 else {
 	$mtufield = $b && $b->{'mtu'} ? $b->{'mtu'} : undef;
diff --git a/net/net-lib.pl b/net/net-lib.pl
index 6e9786fe8..6f0d68a44 100644
--- a/net/net-lib.pl
+++ b/net/net-lib.pl
@@ -1,9 +1,9 @@
 # net-lib.pl
 # Common local networking functions
 
-do '../web-lib.pl';
+BEGIN { push(@INC, ".."); };
+use WebminCore;
 &init_config();
-do '../ui-lib.pl';
 %access = &get_module_acl();
 $access{'ipnodes'} = $access{'hosts'};