diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditor.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditor.qml
index 4742f1c0277..7c7f92be258 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditor.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditor.qml
@@ -40,6 +40,8 @@ SecondColumnLayout {
 
     property bool __block: false
 
+    property string caption // Legacy Qt5 specifics sheets compatibility
+
     function resetShapeColor() {
         colorEditor.backendValue.resetValue()
     }