diff --git a/navalplanner-business/src/main/resources/org/navalplanner/business/planner/entities/ResourceAllocations.hbm.xml b/navalplanner-business/src/main/resources/org/navalplanner/business/planner/entities/ResourceAllocations.hbm.xml
index 97cad2028..ae47855c6 100644
--- a/navalplanner-business/src/main/resources/org/navalplanner/business/planner/entities/ResourceAllocations.hbm.xml
+++ b/navalplanner-business/src/main/resources/org/navalplanner/business/planner/entities/ResourceAllocations.hbm.xml
@@ -18,7 +18,7 @@
 
         <many-to-one class="AssignmentFunction" name="assignmentFunction"
             column="ASSIGNMENT_FUNCTION" not-null="false"
-            cascade="all" />
+            cascade="all" lazy="false" />
 
         <joined-subclass name="SpecificResourceAllocation" table="specific_resource_allocation">
             <key column="RESOURCE_ALLOCATION_ID" />