diff --git a/components/charts/JenisPendaftaranChart.tsx b/components/charts/JenisPendaftaranChart.tsx
index 9c86df8..51d17d0 100644
--- a/components/charts/JenisPendaftaranChart.tsx
+++ b/components/charts/JenisPendaftaranChart.tsx
@@ -201,8 +201,7 @@ export default function JenisPendaftaranChart() {
         
         setData(result);
 
-        const tahunAngkatan = [...new Set(result.map(item => item.tahun_angkatan))]
-          .sort((a, b) => b - a);
+        const tahunAngkatan = [...new Set(result.map(item => item.tahun_angkatan))].sort();
         const jenisPendaftaran = [...new Set(result.map(item => item.jenis_pendaftaran))].sort();
         
         const seriesData = jenisPendaftaran.map(jenis => ({