diff --git a/lib/src/views/Calendar/Day.tsx b/lib/src/views/Calendar/Day.tsx
index 72e9c50c1..d009c9edd 100644
--- a/lib/src/views/Calendar/Day.tsx
+++ b/lib/src/views/Calendar/Day.tsx
@@ -251,6 +251,7 @@ export const areDayPropsEqual = (prevProps: DayProps, nextProps: DayProps) => {
     prevProps.showDaysOutsideCurrentMonth === nextProps.showDaysOutsideCurrentMonth &&
     prevProps.disableHighlightToday === nextProps.disableHighlightToday &&
     prevProps.className === nextProps.className &&
+    prevProps.inCurrentMonth === nextProps.inCurrentMonth &&
     prevProps.onDayFocus === nextProps.onDayFocus &&
     prevProps.onDaySelect === nextProps.onDaySelect
   );
diff --git a/lib/src/views/Calendar/SlideTransition.tsx b/lib/src/views/Calendar/SlideTransition.tsx
index f128bdc73..aff0c3962 100644
--- a/lib/src/views/Calendar/SlideTransition.tsx
+++ b/lib/src/views/Calendar/SlideTransition.tsx
@@ -77,7 +77,7 @@ export const SlideTransition: React.SFC<SlideTransitionProps> = ({
 }) => {
   const classes = useStyles();
   if (reduceAnimations) {
-    return <div className={className}>{children}</div>;
+    return <div className={clsx(classes.root, className)}>{children}</div>;
   }
 
   const transitionClasses = {