linux - `Find` duplicates output -

$ find . -name some_file ./some_file ./dir1/some_file ./dir2/some_file ./some_file ./dir1/some_file ./dir2/some_file 

why?

using centos release 5.7 (final)
linux version 3.0.52

i had find aliased find .

thanks @coryklein's suggestion of alias find.