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 ccf27baa1..2ed67a9fe 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
@@ -308,7 +308,8 @@ public class GenericResourceAllocation extends
 
         @Override
         protected DayAssignmentsState switchTo(Scenario scenario) {
-            return this;
+            return new ExplicitlySpecifiedScenarioState(
+                    scenario);
         }
     }