diff --git a/share/qtcreator/qmldesigner/propertyeditor/Qt/ExtendedSwitches.qml b/share/qtcreator/qmldesigner/propertyeditor/Qt/ExtendedSwitches.qml
index 508711314be8c5c22f01bf215672f65f6bc29879..a043c9429e36b095c1dcc3513fb25cb505253810 100644
--- a/share/qtcreator/qmldesigner/propertyeditor/Qt/ExtendedSwitches.qml
+++ b/share/qtcreator/qmldesigner/propertyeditor/Qt/ExtendedSwitches.qml
@@ -15,7 +15,7 @@ QFrame {
 
     opacity: Behavior {
         NumberAnimation {
-            easing: "easeInSine"
+            easing.type: "InSine"
             duration: 200
         }
     }