fix #777

gui/qt/main_window.py

@@ -2591,6 +2591,9 @@ class ElectrumWindow(QMainWindow):
                 raise Exception('Unknown base unit')
             self.config.set_key('decimal_point', self.decimal_point, True)
             self.update_history_tab()
+            self.update_receive_tab()
+            self.update_address_tab()
+            self.update_invoices_tab()
             self.update_status()
         unit_combo.currentIndexChanged.connect(on_unit)
         widgets.append((unit_label, unit_combo, unit_help))