diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
index 28346af9a..9dc8730dc 100644
--- a/gui/qt/main_window.py
+++ b/gui/qt/main_window.py
@@ -2430,7 +2430,6 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         def on_dynfee(x):
             self.config.set_key('dynamic_fees', x == Qt.Checked)
             self.fee_slider.update()
-            update_maxfee()
         dynfee_cb = QCheckBox(_('Use dynamic fees'))
         dynfee_cb.setChecked(self.config.is_dynfee())
         dynfee_cb.setToolTip(_("Use fees recommended by the server."))