diff --git a/frontend/src/lib/uPlotLib/getUplotChartOptions.ts b/frontend/src/lib/uPlotLib/getUplotChartOptions.ts
index 78617669a2..9a42a6df94 100644
--- a/frontend/src/lib/uPlotLib/getUplotChartOptions.ts
+++ b/frontend/src/lib/uPlotLib/getUplotChartOptions.ts
@@ -163,7 +163,8 @@ export const getUPlotChartOptions = ({
 
 	const stackBarChart = stackChart && isUndefined(hiddenGraph);
 
-	const isAnomalyRule = apiResponse?.data?.newResult?.data?.result[0].isAnomaly;
+	const isAnomalyRule =
+		apiResponse?.data?.newResult?.data?.result[0]?.isAnomaly || false;
 
 	const series = getStackedSeries(apiResponse?.data?.result || []);