Attribute "filename" of header Content-Disposition with incorrect codificacition

Processing a post request of Content-Type: multipart/form-data, if the original file name of one of the parts in the client side have accentuated characters, the attribute "filename" of header Content-Disposition of this bodypart that i get in the server side when i parse the multimpart iterating for the parts, is incorrectly encoded.

I use jersey 2.22.2 y mimepull 1.9.6
#### Environment
ubuntu