Fixed annoying `toLowercase() on undefined` bug when channel isn't defined.
Fixed annoying `toLowercase() on undefined` bug when channel isn't defined.

lonelyplanet/rizzo,Lostmyname/rizzo,Lostmyname/rizzo,lonelyplanet/rizzo,Lostmyname/rizzo,lonelyplanet/rizzo,lonelyplanet/rizzo,lonelyplanet/rizzo,Lostmyname/rizzo,Lostmyname/rizzo