--- a/WebBrowser/WebBrowserView.py	Mon Jan 22 15:59:30 2018 +0100
+++ b/WebBrowser/WebBrowserView.py	Mon Jan 22 17:07:22 2018 +0100
@@ -1329,14 +1329,14 @@
         if evt.modifiers() & Qt.ControlModifier:
             if delta < 0:
                 self.zoomOut()
-            else:
+            elif delta > 0:
                 self.zoomIn()
             evt.accept()
         
         elif evt.modifiers() & Qt.ShiftModifier:
             if delta < 0:
                 self.backward()
-            else:
+            elif delta > 0:
                 self.forward()
             evt.accept()