diff --git a/src/Qt5/imports/FluentUI/Controls/FluChart.qml b/src/Qt5/imports/FluentUI/Controls/FluChart.qml
index 4b1f77ab..f47bd20d 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluChart.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluChart.qml
@@ -15,7 +15,7 @@ Canvas {
     function animateToNewData()
     {
         chartAnimationProgress = 0.1;
-        d.jsChart.update();
+        d.jsChart?.update();
         chartAnimator.restart();
     }
     QtObject{
diff --git a/src/Qt6/imports/FluentUI/Controls/FluChart.qml b/src/Qt6/imports/FluentUI/Controls/FluChart.qml
index ebc70b15..30af5ab3 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluChart.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluChart.qml
@@ -14,7 +14,7 @@ Canvas {
     function animateToNewData()
     {
         chartAnimationProgress = 0.1;
-        d.jsChart.update();
+        d.jsChart?.update();
         chartAnimator.restart();
     }
     QtObject{