--- a/eric6/Preferences/ConfigurationDialog.py	Wed Oct 14 17:50:39 2020 +0200
+++ b/eric6/Preferences/ConfigurationDialog.py	Thu Oct 15 19:16:14 2020 +0200
@@ -764,7 +764,7 @@
             ssize.setWidth(
                 ssize.width() -
                 self.scrollArea.verticalScrollBar().width() - 2)
-        psize = self.configStack.currentWidget().sizeHint()
+        psize = self.configStack.currentWidget().minimumSizeHint()
         self.configStack.resize(max(ssize.width(), psize.width()),
                                 max(ssize.height(), psize.height()))