diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 42dac2f5a..e3bd5e052 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -946,10 +946,10 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
   splashTimer.setSingleShot (true);
   splashTimer.start (20 * 1000);
 
-  //if(QCoreApplication::applicationVersion().contains("-devel") or
-  //   QCoreApplication::applicationVersion().contains("-rc")) {
+  if(QCoreApplication::applicationVersion().contains("-devel") or
+     QCoreApplication::applicationVersion().contains("-rc")) {
     QTimer::singleShot (0, this, SLOT (not_GA_warning_message ()));
-  //}
+  }
 
   if(!ui->cbMenus->isChecked()) {
     ui->cbMenus->setChecked(true);