diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/RealSpinBox.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/RealSpinBox.qml
index 2f219a411da..2e16d46c17c 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/RealSpinBox.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/StudioControls/RealSpinBox.qml
@@ -56,6 +56,7 @@ T.SpinBox {
 
     property alias __devicePixelRatio: spinBoxInput.devicePixelRatio
     property alias pixelsPerUnit: spinBoxInput.pixelsPerUnit
+    property alias inputHAlignment: spinBoxInput.horizontalAlignment
 
     property alias compressedValueTimer: myTimer