chart legend messed up in word file

I copy-paste an excel chart into a word file. when I try to decrease the size of the chart, the words in the legend get messed up. I tried to increase the size of the legend, but it didn't work. any idea? Thanks a lot!

I did it in a "stupid" way, but it worked. I copy the chart to a photoshop file, and copy it back into word. In that way it's a picture, and nothing will mess up when resizing.