--- a/eric6/QScintilla/ShellWindow.py	Mon Oct 05 19:51:55 2020 +0200
+++ b/eric6/QScintilla/ShellWindow.py	Tue Oct 06 17:52:44 2020 +0200
@@ -1067,7 +1067,7 @@
         """
         from QScintilla.ZoomDialog import ZoomDialog
         dlg = ZoomDialog(self.__shell.getZoom(), self, None, True)
-        if dlg.exec_() == QDialog.Accepted:
+        if dlg.exec() == QDialog.Accepted:
             value = dlg.getZoomSize()
             self.__zoomTo(value)