ZBrushCentral

Minor Workflow Issue - Undo Command after UI Interaction

Hello. Working on a Macbook Pro with Zbrush 4R8 P1. Each time I interact with the UI and then immediately try to undo something before clicking the canvas it doesn’t read the command. I have to move the model around on the canvas before it will accept an undo. Minor workflow issue, but something small that can become infuriating over time. Any help?