diff --git a/packages/lsd-react/src/components/Calendar/Calendar.classes.ts b/packages/lsd-react/src/components/Calendar/Calendar.classes.ts
index 53fa92a..ac7e2ad 100644
--- a/packages/lsd-react/src/components/Calendar/Calendar.classes.ts
+++ b/packages/lsd-react/src/components/Calendar/Calendar.classes.ts
@@ -33,7 +33,7 @@ export const calendarClasses = {
   dayBorderLeft: 'lsd-calendar-day--border-left',
   dayBorderRight: 'lsd-calendar-day--border-right',
   dayBorderLeftAndRight: 'lsd-calendar-day--border-left-and-right',
-  dayBorderTopAndBottom: 'lsd-calendar-day--border-up-and-down',
+  dayBorderTopAndBottom: 'lsd-calendar-day--border-top-and-bottom',
 
   todayIndicator: 'lsd-calendar-day__today_indicator',