diff --git a/others/db_changes/system_alias/struct/create_asys_calendarbackend.xml b/others/db_changes/system_alias/struct/create_asys_calendarbackend.xml
index 682a7b9ecbdd5e3ea76b6e83a822e9587b8cd2ed..e037c40bd68234584e01385d2b9f570bd92b4635 100644
--- a/others/db_changes/system_alias/struct/create_asys_calendarbackend.xml
+++ b/others/db_changes/system_alias/struct/create_asys_calendarbackend.xml
@@ -3,7 +3,7 @@
 <changeSet author="a.schindlbeck" id="647ddc15-7bde-4b04-81e4-9a62a24aa5b7">
     <createTable tableName="ASYS_CALENDARBACKEND">
         <column name="DATASETID" type="CHAR(36)">
-            <constraints nullable="false" primaryKey="true" primaryKeyName="PK_ASYS_CALENDARBACKEND_ELEMENTUID"/>
+            <constraints nullable="false" primaryKey="true" primaryKeyName="PK_ASYS_CALENDARBACKEND_DATASETID"/>
         </column>
         <column name="ELEMENTUID" type="VARCHAR(512)"/>
         <column name="CLASSIFICATION" type="INTEGER"/>