Change fontname and size with WebRichEditToolBar

if a line or some characters are selected in the WebRichEdit and the font size or name is clicked in the WebRichEditToolBar, the WebRichEdit loses focus and the change is ineffective.
Is there a solution for this

I dropped the TWebRichEdit and TWebRichEditToolBar on the form and tested it here but cannot see an issue:

webrichedit

Do you use the latest version of TMS WEB Core?