diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
index d008ef650..8fc27dff8 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/GenericResourceAllocation.java
@@ -226,14 +226,9 @@ public class GenericResourceAllocation extends
     }
 
     @Override
-    public void mergeAssignmentsAndResourcesPerDay(ResourceAllocation<?> modifications) {
-        if (modifications == this) {
-            return;
-        }
+    public void mergeAssignments(ResourceAllocation<?> modifications) {
         Validate.isTrue(modifications instanceof GenericResourceAllocation);
         mergeAssignments((GenericResourceAllocation) modifications);
-        setResourcesPerDay(modifications.getResourcesPerDay());
-        setAssignmentFunction(modifications.getAssignmentFunction());
     }
 
     private void mergeAssignments(GenericResourceAllocation modifications) {
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
index ef201396c..0a4e071e0 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/ResourceAllocation.java
@@ -578,7 +578,17 @@ public abstract class ResourceAllocation<T extends DayAssignment> extends
         return sum;
     }
 
-    public abstract void mergeAssignmentsAndResourcesPerDay(ResourceAllocation<?> modifications);
+    public void mergeAssignmentsAndResourcesPerDay(
+            ResourceAllocation<?> modifications) {
+        if (modifications == this) {
+            return;
+        }
+        mergeAssignments(modifications);
+        setResourcesPerDay(modifications.getResourcesPerDay());
+        setAssignmentFunction(modifications.getAssignmentFunction());
+    }
+
+    protected abstract void mergeAssignments(ResourceAllocation<?> modifications);
 
     void detachAssignments() {
         for (DayAssignment dayAssignment : getAssignments()) {
diff --git a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
index 21084552c..478af77da 100644
--- a/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
+++ b/navalplanner-business/src/main/java/org/navalplanner/business/planner/entities/SpecificResourceAllocation.java
@@ -162,14 +162,9 @@ public class SpecificResourceAllocation extends
     }
 
     @Override
-    public void mergeAssignmentsAndResourcesPerDay(ResourceAllocation<?> modifications) {
-        if (modifications == this) {
-            return;
-        }
+    public void mergeAssignments(ResourceAllocation<?> modifications) {
         Validate.isTrue(modifications instanceof SpecificResourceAllocation);
         mergeAssignments((SpecificResourceAllocation) modifications);
-        setResourcesPerDay(modifications.getResourcesPerDay());
-        setAssignmentFunction(modifications.getAssignmentFunction());
     }
 
     private void mergeAssignments(SpecificResourceAllocation modifications) {