diff -r e9bda9b4260b -r bf18415da0c7 Graphics/UMLGraphicsView.py --- a/Graphics/UMLGraphicsView.py Thu Jan 18 11:10:57 2018 +0100 +++ b/Graphics/UMLGraphicsView.py Thu Jan 18 18:57:40 2018 +0100 @@ -608,7 +608,7 @@ delta = evt.delta() if delta < 0: self.zoomOut() - else: + elif delta > 0: self.zoomIn() evt.accept() return