It will be ok but a small increase of the ripple voltage across the zeners may occur due to increased series resistance (two zeners - two resistances in series).
OK thanks I'll head to the shack in the AM, its kinda a funny circuit, it has a 1A fuse in series with a 200K resistor and a 1n4007 bridge shunted by the zener, the zener shorted and the resistor took the entire 120V of course never blowing the fuse, I'm not sure what the fuse is supposed to protect.