diff --git a/graphs/gui/vector.py b/graphs/gui/vector.py
index c3566bc35..393bd8e6f 100644
--- a/graphs/gui/vector.py
+++ b/graphs/gui/vector.py
@@ -36,9 +36,9 @@ class VectorPicker(wx.Window):
         self._labelpos = int(kwargs.pop('labelpos', 0))
         self._offset = float(kwargs.pop('offset', 0))
         self._size = max(0, float(kwargs.pop('size', 50)))
-        self._fontsize = max(1, float(kwargs.pop('fontsize', 8)))
         self._directionOnly = kwargs.pop('directionOnly', False)
         super().__init__(*args, **kwargs)
+        self._fontsize = max(1, float(kwargs.pop('fontsize', 8 / self.GetContentScaleFactor())))
         self._font = wx.Font(self._fontsize, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL, False)
         self._angle = 0
         self.__length = 1
@@ -107,8 +107,11 @@ class VectorPicker(wx.Window):
         dc = wx.BufferedPaintDC(self)
         self.Draw(dc)
 
+    def GetScaledClientSize(self):
+        return tuple([dim / self.GetContentScaleFactor() for dim in self.GetClientSize()])
+
     def Draw(self, dc):
-        width, height = self.GetClientSize()
+        width, height = self.GetScaledClientSize()
         if not width or not height:
             return
         dc.SetBackground(wx.Brush(self.GetBackgroundColour(), wx.BRUSHSTYLE_SOLID))