Finger poke test problem

I've been baking every couple of days for about a month and a half now--mostly working on whole wheat/blend sandwich loaves.

When in their final proof, I've been noticing that my loaves are always overproofed according to the finker poke test.   So, of course, I rush to get the oven warmed and the loaves in.  Most of the time it yields a very reasonable sandwich loaf.