diff --git a/etc/inc/interfaces.inc b/etc/inc/interfaces.inc
index c34e1de016..0f45a4863b 100644
--- a/etc/inc/interfaces.inc
+++ b/etc/inc/interfaces.inc
@@ -772,6 +772,7 @@ EOD;
 {$ifconfig} {$if} {$wme}
 {$ifconfig} {$if} {$wepset}
 {$ifconfig} {$if} {$txpower}
+{$ifconfig} {$if} mtu 1500
 {$ifconfig} {$if} up
 
 EOD;