I just wanted to let you know that we have released DbVisualizer 9.5 today with a fix for the issue you reported. Please upgrade to the latest official version. Easiest is that you open Help->Check for Update in DbVisualizer to perform the upgrade.
An alternative is that you download from our web site:
We've just released DbVisualizer 95.2558 BETA which includes a fix for this issue. Easiest to upgrade is to open Help->Check for Update.