diff --git a/resources/qml/WelcomePages/WizardDialog.qml b/resources/qml/WelcomePages/WizardDialog.qml
index cfa03352b0..8629f47115 100644
--- a/resources/qml/WelcomePages/WizardDialog.qml
+++ b/resources/qml/WelcomePages/WizardDialog.qml
@@ -24,6 +24,8 @@ Window
 
     minimumWidth: UM.Theme.getSize("modal_window_minimum").width
     minimumHeight: UM.Theme.getSize("modal_window_minimum").height
+    maximumWidth: minimumWidth
+    maximumHeight: minimumHeight
 
     color: UM.Theme.getColor("main_background")