diff --git a/smartgears/resource_registry/defaults/main.yml b/smartgears/resource_registry/defaults/main.yml
index 893d6e40..1ebf2df1 100644
--- a/smartgears/resource_registry/defaults/main.yml
+++ b/smartgears/resource_registry/defaults/main.yml
@@ -7,5 +7,7 @@ resource_registry_extension: war
 resource_registry_file: '{{ resource_registry_name }}-{{ resource_registry_version }}.{{ resource_registry_extension }}'
 resource_registry_group_id: org.gcube.information-system
 
+resource_registry_db_key_src_filename: db.key
+
 resource_registry_db_key_filename: '{{ orientdb_db_name }}.key'
 resource_registry_db_key_algorithm: 'AES'
\ No newline at end of file