diff --git a/electrum/gui/qt/main_window.py b/electrum/gui/qt/main_window.py
index beffdfcea..048d35540 100644
--- a/electrum/gui/qt/main_window.py
+++ b/electrum/gui/qt/main_window.py
@@ -1162,7 +1162,8 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
 
     def update_receive_address_styling(self):
         addr = str(self.receive_address_e.text())
-        if self.wallet.is_used(addr):
+        # note: 'addr' could be ln invoice here
+        if is_address(addr) and self.wallet.is_used(addr):
             self.receive_address_e.setStyleSheet(ColorScheme.RED.as_stylesheet(True))
             self.receive_address_e.setToolTip(_("This address has already been used. "
                                                 "For better privacy, do not reuse it for new payments."))
diff --git a/electrum/gui/qt/request_list.py b/electrum/gui/qt/request_list.py
index 04406d2dc..f45fba95a 100644
--- a/electrum/gui/qt/request_list.py
+++ b/electrum/gui/qt/request_list.py
@@ -113,14 +113,7 @@ class RequestList(MyTreeView):
                 self.parent.expires_combo.show()
 
         domain = self.wallet.get_receiving_addresses()
-        try:
-            addr = self.wallet.get_unused_address()
-        except InternalAddressCorruption as e:
-            self.parent.show_error(str(e))
-            addr = ''
-        if current_address not in domain and addr:
-            self.parent.set_receive_address(addr)
-        self.parent.new_request_button.setEnabled(addr != current_address)
+
         self.parent.update_receive_address_styling()
 
         self.model().clear()