diff --git a/src/game/lib/history_record_manager.js b/src/game/lib/history_record_manager.js
index a583881..1ccf7af 100644
--- a/src/game/lib/history_record_manager.js
+++ b/src/game/lib/history_record_manager.js
@@ -75,7 +75,7 @@ HistoryRecordManager.prototype.getBestRecordArray = function() {
 	// for(var data of this.historyRecords) {
 	// 	numberArray.push(data.bestRecord);
 	// }
-	for(var i = 0; i < this.historyRecords.count; i++) {
+	for(var i = 0; i < this.historyRecords.length; i++) {
 		var data = this.historyRecords[i];
 		numberArray.push(data.bestRecord);
 	}