diff --git a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditorPopup.qml b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditorPopup.qml
index 41f2c433fa9..bced56a89dc 100644
--- a/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditorPopup.qml
+++ b/share/qtcreator/qmldesigner/propertyEditorQmlSources/imports/HelperWidgets/ColorEditorPopup.qml
@@ -444,7 +444,7 @@ Column {
 
             Connections {
                 target: root
-                onAboutToBeShown: {
+                function onAboutToBeShown() {
                     colorPicker.aboutToBeShown()
                 }
             }