diff --git a/ankiqt/ui/graphs.py b/ankiqt/ui/graphs.py
index 1d94b1052..06b78e978 100644
--- a/ankiqt/ui/graphs.py
+++ b/ankiqt/ui/graphs.py
@@ -33,13 +33,15 @@ class AnkiFigureCanvas (FigureCanvas):
         w, h = self.get_width_height()
         return QSize(w+30, h+30)
 
-    # bug in matplotlib
     def keyReleaseEvent(self, evt):
         evt.ignore()
 
     def keyPressEvent(self, evt):
         evt.ignore()
 
+    def wheelEvent(self, evt):
+        evt.ignore()
+
 class AdjustableFigure(QWidget):
 
     def __init__(self, parent, name, figureFunc, choices=None):