diff --git a/electrum/gui/qt/invoice_list.py b/electrum/gui/qt/invoice_list.py
index 96b8e38b3..6118ec701 100644
--- a/electrum/gui/qt/invoice_list.py
+++ b/electrum/gui/qt/invoice_list.py
@@ -129,7 +129,7 @@ class InvoiceList(MyTreeView):
 
         self.selectionModel().select(self.model().index(0,0), QItemSelectionModel.SelectCurrent)
         # sort requests by date
-        self.model().sort(self.Columns.DATE)
+        self.sortByColumn(self.Columns.DATE, Qt.AscendingOrder)
         # hide list if empty
         if self.parent.isVisible():
             b = self.model().rowCount() > 0
diff --git a/electrum/gui/qt/request_list.py b/electrum/gui/qt/request_list.py
index 52950997d..34e712105 100644
--- a/electrum/gui/qt/request_list.py
+++ b/electrum/gui/qt/request_list.py
@@ -138,7 +138,7 @@ class RequestList(MyTreeView):
             self.model().insertRow(self.model().rowCount(), items)
         self.filter()
         # sort requests by date
-        self.model().sort(self.Columns.DATE)
+        self.sortByColumn(self.Columns.DATE, Qt.AscendingOrder)
         # hide list if empty
         if self.parent.isVisible():
             b = self.model().rowCount() > 0