diff --git a/src/gui/boardview.py b/src/gui/boardview.py
--- a/src/gui/boardview.py
+++ b/src/gui/boardview.py
@@ -79,5 +79,6 @@ class BoardView(ResizableCanvas):
 
 	def _onResize(self,event):
 		super()._onResize(event)
+		self._padding=24*self._width/360
 		self._cellWidth=(self._width-2*self._padding)/18
 		self._cellHeight=(self._height-2*self._padding)/18