diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/calendars/entities/BaseCalendar.java b/navalplanner-business/src/main/java/org/navalplanner/business/calendars/entities/BaseCalendar.java
index 2401ae24e..37206f033 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/calendars/entities/BaseCalendar.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/calendars/entities/BaseCalendar.java
@@ -263,6 +263,9 @@ public class BaseCalendar extends BaseEntity implements IWorkHours {
     }
 
     private Integer getWorkableHours(LocalDate date) {
+        if (!isActive(date)) {
+            return 0;
+        }
         CalendarException exceptionDay = getExceptionDay(date);
         if (exceptionDay != null) {
             return exceptionDay.getHours();