vimpulse: last character is not selected when double clicking

Hi, I'm having a problem with vimpulse 0.5 where if I double mouse click on a word and then middle click in another buffer or another program everything but the last character is pasted. If I double-click to select and then use "y", the expected selection including the last character IS used when I paste. If I start Emacs without loading vimpulse the problem goes away. I was previously using vimpulse 0.4 and the problem didn't exist with that version. Any ideas or workarounds? Thanks, Menno