one of the speaker came out from headband.

one of the speaker came out from headband.
I have sony MDR -ZX 100 headphones.. Speaker of that is came out from band.. While the speaker is still workin . please help me to fix it back

ANSWERS:

Shivam Rajput, since we can not see what damage you have or where it came off, take a look at how it is mounted. May be that will help. If not, post a couple of images of your damaged headphones.