diff --git a/plugins/fetch-scrobbles/index.js b/plugins/fetch-scrobbles/index.js
index 5d5ecc1f..11189263 100644
--- a/plugins/fetch-scrobbles/index.js
+++ b/plugins/fetch-scrobbles/index.js
@@ -53,12 +53,12 @@ export const onPreBuild = async ({ constants }) => {
 
   for (const key of monthKeys) {
     const scrobbleData = await scrobbles.get(key, { type: 'json'})
-    monthChartData?.['data'].push(...scrobbleData?.['data'])
+    monthChartData?.['data']?.push(...scrobbleData?.['data'])
   }
 
   for (const key of threeMonthKeys) {
     const scrobbleData = await scrobbles.get(key, { type: 'json'})
-    threeMonthChartData?.['data'].push(...scrobbleData?.['data'])
+    threeMonthChartData?.['data']?.push(...scrobbleData?.['data'])
   }
 
   for (const key of yearKeys) {
@@ -69,7 +69,7 @@ export const onPreBuild = async ({ constants }) => {
       console.log("Error: can't get more scrobbles.")
       break;
     }
-    yearChartData['data'].push(...scrobbleData['data'])
+    yearChartData?.['data']?.push(...scrobbleData?.['data'])
   }
 
   fs.writeFileSync('./src/_data/json/weekly-top-artists-chart.json', JSON.stringify({...weeklyChartData, timestamp: `${lastWeek.set({ hour: 8, minute: 0, second: 0, millisecond: 0 }).toMillis()}` }))