Hanging indent on second and subsequent lines of a reference

My problem is that if I have more than 1 reference from the same author, then the ones after the 1st, lose the hanging indent. Once it’s a new author, the hanging indent comes back.  See the screenshot I included. You can see that when the names are different it’s fine, but when Kerr repeats, it loses the hanging indent.

I’ve configured my style in MS Word to include the hanging indent as well. Even if I manually change it, once there is an update, it loses it again. This has been a problem through many versions. I’m presently using version X8. I’ve been using Endnote for over a decade, since version 6 and am a very advanced uer of both Endnote and MS Word. I use the American Antiquity style for my endnotes. 

Thanks in advance, 

Katherine