diff --git a/lib/date.js b/lib/date.js
index 38e1cc61..d86efcd8 100644
--- a/lib/date.js
+++ b/lib/date.js
@@ -180,9 +180,9 @@ export function getDateArray(data, startDate, endDate, unit) {
   const [diff, add, normalize] = dateFuncs[unit];
   const n = diff(endDate, startDate) + 1;
 
-  function findData(t) {
-    const d = data.find(({ x }) => {
-      return normalize(getDateFromString(x)).getTime() === t.getTime();
+  function findData(date) {
+    const d = data.find(({ t }) => {
+      return normalize(getDateFromString(t)).getTime() === date.getTime();
     });
 
     return d?.y || 0;