diff --git a/navalplanner-business/src/main/resources/db.changelog-1.1.xml b/navalplanner-business/src/main/resources/db.changelog-1.1.xml
index 55c405e73..948e910a1 100644
--- a/navalplanner-business/src/main/resources/db.changelog-1.1.xml
+++ b/navalplanner-business/src/main/resources/db.changelog-1.1.xml
@@ -288,6 +288,11 @@
         </sql>
     </changeSet>
 
+    <changeSet id="drop-foreign-key-sum_charged_hours_id-in-order_element" author="dmel">
+        <dropForeignKeyConstraint baseTableName="order_element"
+            constraintName="fk92271f0b7ec17fa6" />
+    </changeSet>
+
     <changeSet id="rename-sum_charged_hours_id-to-sum_charged_effort_id" author="mrego">
         <comment>Rename sum_charged_hours_id to sum_charged_effort_id in order_element</comment>
         <renameColumn tableName="order_element"
@@ -296,6 +301,10 @@
             columnDataType="BIGINT" />
     </changeSet>
 
+    <changeSet id="add-foreign-key-sum_charged_effort_id-in-order_element" author="dmel">
+        <addForeignKeyConstraint baseColumnNames="sum_charged_effort_id" baseTableName="order_element" constraintName="sum_charged_effort_id_fkey" deferrable="false" initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION" referencedColumnNames="id" referencedTableName="sum_charged_effort" referencesUniqueColumn="false"/>
+    </changeSet>
+
     <changeSet id="drop-column-date-in-stretches-table" author="mrego">
         <dropColumn tableName="stretches" columnName="date" />
     </changeSet>