diff --git a/src/Qt5/imports/FluentUI/Controls/FluChart.qml b/src/Qt5/imports/FluentUI/Controls/FluChart.qml
index f47bd20d..457da42e 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluChart.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluChart.qml
@@ -15,7 +15,9 @@ Canvas {
     function animateToNewData()
     {
         chartAnimationProgress = 0.1;
-        d.jsChart?.update();
+        if (d.jsChart) {
+            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 30af5ab3..8153c3d8 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluChart.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluChart.qml
@@ -14,7 +14,9 @@ Canvas {
     function animateToNewData()
     {
         chartAnimationProgress = 0.1;
-        d.jsChart?.update();
+        if (d.jsChart) {
+            d.jsChart.update();
+        }
         chartAnimator.restart();
     }
     QtObject{