diff --git a/resources/qml/WelcomePages/WelcomeDialogItem.qml b/resources/qml/WelcomePages/WelcomeDialogItem.qml
index 7da4c6e897..5b90a8732e 100644
--- a/resources/qml/WelcomePages/WelcomeDialogItem.qml
+++ b/resources/qml/WelcomePages/WelcomeDialogItem.qml
@@ -21,8 +21,8 @@ Item
 
     anchors.centerIn: parent
 
-    width: 580 * screenScaleFactor
-    height: 600 * screenScaleFactor
+    width: UM.Theme.getSize("welcome_wizard_window").width
+    height: UM.Theme.getSize("welcome_wizard_window").height
 
     property int shadowOffset: 1 * screenScaleFactor
 
diff --git a/resources/themes/cura-light/theme.json b/resources/themes/cura-light/theme.json
index 1640395c0b..b870603bd9 100644
--- a/resources/themes/cura-light/theme.json
+++ b/resources/themes/cura-light/theme.json
@@ -573,6 +573,7 @@
 
         "monitor_preheat_temperature_control": [4.5, 2.0],
 
+        "welcome_wizard_window": [46.0, 45],
         "modal_window_minimum": [60.0, 45],
         "license_window_minimum": [45, 45],
         "wizard_progress": [10.0, 0.0],