diff --git a/archiva-modules/archiva-base/archiva-repository-admin/archiva-repository-admin-api/src/main/java/org/apache/archiva/admin/model/beans/RepositoryGroup.java b/archiva-modules/archiva-base/archiva-repository-admin/archiva-repository-admin-api/src/main/java/org/apache/archiva/admin/model/beans/RepositoryGroup.java
index 92625739f..367156132 100644
--- a/archiva-modules/archiva-base/archiva-repository-admin/archiva-repository-admin-api/src/main/java/org/apache/archiva/admin/model/beans/RepositoryGroup.java
+++ b/archiva-modules/archiva-base/archiva-repository-admin/archiva-repository-admin-api/src/main/java/org/apache/archiva/admin/model/beans/RepositoryGroup.java
@@ -27,7 +27,7 @@ import java.util.List;
  * @author Olivier Lamy
  * @since 1.4-M1
  */
-@XmlRootElement( name = "repositoryGroup" )
+@XmlRootElement(name = "repositoryGroup")
 public class RepositoryGroup
     implements Serializable
 {
@@ -41,6 +41,11 @@ public class RepositoryGroup
      */
     private List<String> repositories;
 
+    /**
+     * The path of the merged index.
+     */
+    private String mergedIndexPath = "/.indexer";
+
     public RepositoryGroup()
     {
         // no op