diff --git a/components/AsalDaerahLulusChart.tsx b/components/AsalDaerahLulusChart.tsx
index 3dcdfd3..1585dac 100644
--- a/components/AsalDaerahLulusChart.tsx
+++ b/components/AsalDaerahLulusChart.tsx
@@ -127,6 +127,10 @@ export default function AsalDaerahLulusChart({ selectedYear }: AsalDaerahLulusCh
     const currentTheme = theme === 'system' ? systemTheme : theme;
     setOptions(prev => ({
       ...prev,
+      chart: {
+        ...prev.chart,
+        background: currentTheme === 'dark' ? '#0F172B' : '#fff',
+      },
       dataLabels: {
         ...prev.dataLabels,
         style: {