diff --git a/.liquibase/Data_alias/basic/2020.2.0/optimizeIndizes.xml b/.liquibase/Data_alias/basic/2020.2.0/optimizeIndizes.xml
index c9e5b442ce52ec5f997ac9522326160fb3cc9192..c3eab6fea6cdd0fe13a20852ee965f5581c2be5c 100644
--- a/.liquibase/Data_alias/basic/2020.2.0/optimizeIndizes.xml
+++ b/.liquibase/Data_alias/basic/2020.2.0/optimizeIndizes.xml
@@ -47,5 +47,8 @@
         <createIndex tableName="VISITPLANENTRY" indexName="IDX_VISITPLNENTRY_ORGCONTCT_ID">
             <column name="ORGANISATION_CONTACT_ID"/>
         </createIndex>
+        <createIndex tableName="COMMUNICATION" indexName="IDX_COMMUNICATION_ADDR">
+            <column name="ADDR"/>
+        </createIndex>
     </changeSet>
 </databaseChangeLog>