Vertical Blur field is broken if Fade and Noise amount are edited

Vertical blur field is broken if user edits Noise amount and Fade amount before sliding Vertical blur field. (Look Screenshot)

1. Add something to timeline
2. Add Corona effect
3. Go to Corona effect -> Inspector control
4. Set Noise amount to 0
5. Set Fade amount to 1
6. Slide Vertical blur field <-> and see Scene view.

      -> Effect "paints" scene view.

Also if user moves eg. speedometer it "paints" more.