diff --git a/gui/qt/installwizard.py b/gui/qt/installwizard.py
index d8d6555a..6521b189 100644
--- a/gui/qt/installwizard.py
+++ b/gui/qt/installwizard.py
@@ -146,7 +146,6 @@ class InstallWizard(QDialog):
         vbox = QVBoxLayout(self)
         self.waiting_label = QLabel(msg)
         vbox.addWidget(self.waiting_label)
-        self.show()
         t = threading.Thread(target = target)
         t.start()
         self.exec_()