diff --git a/libreplan-business/src/main/resources/org/libreplan/business/orders/entities/Orders.hbm.xml b/libreplan-business/src/main/resources/org/libreplan/business/orders/entities/Orders.hbm.xml
index c4f710cb9..a0e809b57 100644
--- a/libreplan-business/src/main/resources/org/libreplan/business/orders/entities/Orders.hbm.xml
+++ b/libreplan-business/src/main/resources/org/libreplan/business/orders/entities/Orders.hbm.xml
@@ -40,7 +40,7 @@
         </set>
 
         <!-- Indexed the other side -->
-        <set name="criterionRequirements" access="field" cascade="all,delete-orphan" inverse="true" batch-size="10">
+        <set name="criterionRequirements" access="field" cascade="all,delete-orphan" inverse="true" batch-size="10" lazy="false">
             <key column="order_element_id" not-null="false"/>
             <one-to-many class="org.libreplan.business.requirements.entities.CriterionRequirement"/>
         </set>
@@ -86,7 +86,7 @@
             <key column="order_element_id"/>
 
             <!-- Indexed the other side -->
-            <list name="children" access="field" cascade="all">
+            <list name="children" access="field" cascade="all" lazy="false">
                 <key column="parent" not-null="false"/>
                 <index column="position_in_container"/>
                 <one-to-many class="OrderElement" />
@@ -216,7 +216,7 @@
         <property name="fixedPercentage" column="fixed_percentage" access="field" />
 
         <!-- Indexed the other side -->
-        <set name="criterionRequirements" access="field" cascade="save-update,delete-orphan" inverse="true" batch-size="10">
+        <set name="criterionRequirements" access="field" cascade="save-update,delete-orphan" inverse="true" batch-size="10" lazy="false">
             <key column="hours_group_id" not-null="false"/>
             <one-to-many class="org.libreplan.business.requirements.entities.CriterionRequirement"/>
         </set>
diff --git a/libreplan-business/src/main/resources/org/libreplan/business/requirements/entities/Requirements.hbm.xml b/libreplan-business/src/main/resources/org/libreplan/business/requirements/entities/Requirements.hbm.xml
index 38cae2b0c..42b5040ce 100644
--- a/libreplan-business/src/main/resources/org/libreplan/business/requirements/entities/Requirements.hbm.xml
+++ b/libreplan-business/src/main/resources/org/libreplan/business/requirements/entities/Requirements.hbm.xml
@@ -35,7 +35,7 @@
         <!-- Inverse navigation from CriterionRequirement to Criterion -->
         <!-- Not indexed. Other side navigation not useful -->
         <many-to-one class="org.libreplan.business.resources.entities.Criterion" column="criterion_id"
-                     name="criterion"/>
+                     name="criterion" lazy="false"/>
 
         <subclass discriminator-value="direct" name="DirectCriterionRequirement">
             <set access="field" name="children" cascade="delete-orphan" inverse="true" batch-size="10">