Dude ping delay result showing 0 value

Hi,

I am trying to display ping ms delay result in LABEL/APPEARANCE. for itneret hosts, its showing ok result like for gogole its showing 125ms. but for some LAN where I get 1ms delay, dude is showing 0, how can I show the right result ?

using following code in label

[array_element(ping(device_property("FirstAddress")),0)] ms