facebook always direct to m.facebook

[Die~~ ٩๏̯͡๏۶ ̿ ̿ ̿ ̿ ̿̿’\̵͇̿̿\=(•̪●)‏ ɹɐzǝupɐɥʞ ɐzɹıɯ <mirza.k@xxxxxxxxx>]

dear all
i have another problem

i use squid 2.x latest

if i use squid
when i open facebook.com

always directly to m.facebook.com

if im not use squid it's normal...

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hix nganggur maning... nganggur maning