diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/Task.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/Task.java
index a3e2d736e..1f5b995b0 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/Task.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/Task.java
@@ -58,11 +58,8 @@ public class Task extends TaskElement {
     }
 
     public int getAssignedHours() {
-        int result = 0;
-        for (ResourceAllocation<?> resourceAllocation : resourceAllocations) {
-            result += resourceAllocation.getAssignedHours();
-        }
-        return result;
+        return new AggregateOfResourceAllocations(resourceAllocations)
+                .getTotalHours();
     }
 
     @Override