diff --git a/recyclerview-calendar/src/main/java/ru/touchin/calendar/CalendarUtils.java b/recyclerview-calendar/src/main/java/ru/touchin/calendar/CalendarUtils.java
index 6757a9e..c5eae68 100644
--- a/recyclerview-calendar/src/main/java/ru/touchin/calendar/CalendarUtils.java
+++ b/recyclerview-calendar/src/main/java/ru/touchin/calendar/CalendarUtils.java
@@ -276,7 +276,7 @@ public final class CalendarUtils {
         final int firstDayInNextMonth = nextMonthFirstDay.getDayOfWeek() - 1;
 
         if (daysLeftInWeek != 0) {
-            calendarItems.add(new CalendarEmptyItem(shift, shift + daysLeftInWeek));
+            calendarItems.add(new CalendarEmptyItem(shift, shift + daysLeftInWeek - 1));
             shift += daysLeftInWeek;
         }
         calendarItems.add(new CalendarHeaderItem(nextMonthFirstDay.getYear(), nextMonthFirstDay.getMonthOfYear() - 1, shift, shift));