Qt Creator crashes when trying to set a value to singleStep property below 1 when the nothesVisible is checked on QDial Input Widget

Create a new Qt Gui Application.
Open mainwindow.ui and add a QDial Input Widget.
Go to the Qdial object properties window and tick notchesVisible.
Then go to singleStep property and change default value to something bellow 1. Lets say 0.
Qt creator crashes.