diff --git a/packages/main/src/DayPicker.ts b/packages/main/src/DayPicker.ts
index 8b342b4f085d..5c1ffdc82220 100644
--- a/packages/main/src/DayPicker.ts
+++ b/packages/main/src/DayPicker.ts
@@ -712,7 +712,7 @@ class DayPicker extends CalendarPart implements ICalendarPicker {
 	 * @private
 	 */
 	_updateSecondTimestamp() {
-		if (this.selectionMode === CalendarSelectionMode.Range && this.selectedDates.length === 1) {
+		if (this.selectionMode === CalendarSelectionMode.Range && (this.selectedDates.length === 1 || this.selectedDates.length === 2)) {
 			this._secondTimestamp = this.timestamp;
 		}
 	}