diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 61a3f7409..5d1efb23f 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -1112,7 +1112,7 @@ void MainWindow::not_GA_warning_message ()
                                 "available for testing purposes.  By design it will\n"
                                 "be nonfunctional after September 30, 2024.");
   auto now = QDateTime::currentDateTimeUtc ();
-  if (now >= QDateTime {{2024, 09, 30}, {23, 59, 59, 999}, Qt::UTC}) {
+  if (now >= QDateTime {{2024, 9, 30}, {23, 59, 59, 999}, Qt::UTC}) {
     Q_EMIT finished ();
   }
 }