diff --git a/install_utils/schema.ldiff b/install_utils/schema.ldiff
index 4c217191..194f886a 100644
--- a/install_utils/schema.ldiff
+++ b/install_utils/schema.ldiff
@@ -1157,6 +1157,7 @@ olcDbIndex: dc eq
 olcDbIndex: entryCSN eq
 olcDbIndex: entryUUID eq
 olcDbIndex: radiusCallingStationId eq
+olcSizeLimit: 50000
 structuralObjectClass: olcHdbConfig
 entryUUID: fc8fa138-514b-1034-9c36-0faf5bc7ead5
 creatorsName: cn=admin,cn=config