Error when creating new HTTP Provider component

When I want to create an HTTP provider component and use it, after entering the api key and testing the component, the message "content-type have to be set" appears.
It feels like the content-type "application/json" isn't selected as the default mode.
When you select another content-type (such as application/xml) and reselect "application/json" it works again. (You can test it in any data flow)