Banging my head, how to make this macro behave the same way regardless of what is passed?

gistfile1.txt

user> (require '[plumbing.core :refer [fnk]])
nil
user> (defmacro fnk-creator
        [args]
        `(fnk [~@(map symbol (:params args))] [~@(map symbol (:params args))]))
#'user/fnk-creator
user> (def x {:params ["foo"]})
#'user/x
user> (macroexpand-1 '(fnk-creator x))
(plumbing.core/fnk [] [])
user> (macroexpand-1 '(fnk-creator {:params ["foo"]}))
(plumbing.core/fnk [foo] [foo])