diff --git a/src/gui/__init__.py b/src/gui/__init__.py
--- a/src/gui/__init__.py
+++ b/src/gui/__init__.py
@@ -14,6 +14,8 @@ class GUI:
 		self._coreMessages=None
 
 		self.mainWindow = MainWindow(self, master=self.root)
+		self.root.columnconfigure(0,weight=1)
+		self.root.rowconfigure(0,weight=1)
 
 		self.root.bind("<<redrawImgView>>", lambda e: self.mainWindow.redrawImgView())
 		self.root.bind("<<receiveState>>", lambda e: print("fired receiveState"))