diff --git a/template/qtgui/mainwindow.py b/template/qtgui/mainwindow.py
index 370b014..a94153f 100644
--- a/template/qtgui/mainwindow.py
+++ b/template/qtgui/mainwindow.py
@@ -146,6 +146,8 @@ class MainWindow(QtWidgets.QMainWindow):
             #TODO: this is a hack until we figure out how to cleanly handle hide vs quite from outside the application
             self.hideGUI()
 
+        self._zoom() #enable zoom factor loaded from save file
+
     #def event(self, event):
     #    print (event.type())
     #    return super().event(event)