diff --git a/invenio_config_tugraz/config.py b/invenio_config_tugraz/config.py
index 62487a3..5b4d495 100644
--- a/invenio_config_tugraz/config.py
+++ b/invenio_config_tugraz/config.py
@@ -314,3 +314,11 @@ reopened regularly.
 
 See https://docs.sqlalchemy.org/en/latest/core/engines.html.
 """
+
+# OAI-PMH
+# =======
+# See https://github.com/inveniosoftware/invenio-oaiserver/blob/master/invenio_oaiserver/config.py
+# TODO: move to gitlab
+
+OAISERVER_ID_PREFIX = "repository.tugraz.at"
+"""The prefix that will be applied to the generated OAI-PMH ids."""