Sonitus EQ - Clicks when using envelopes

Another Sonar 5 PE little quirk that has been bugging me...

If I use an envelope to automate Sonitus EQ, (say I want to punch in and out very quickly a low cut to get rid of a 'pop'), if I set a steep/vertical 'jump' between nodes on the envelope I get audible clicks.
This also happens when you automate to 'punch in/out' to turn on/off one of the EQ filters/bands.

Anyone else experiencing this?