diff --git a/geoportal/vars.yaml b/geoportal/vars.yaml
index 84c3f1c5f..af795e9a4 100644
--- a/geoportal/vars.yaml
+++ b/geoportal/vars.yaml
@@ -317,7 +317,7 @@ vars:
     - {name: start_zoom, type: float}
     - {name: time_config}
     - {name: geocatalog_open_data_publish_flag, type: boolean}
-    - {name: geocatalog_open_data_update_frequency, type: list, regex: 'once|daily|weekly|monthly'}
+    - {name: geocatalog_open_data_update_frequency, type: string}
     - {name: geocatalog_open_data_last_update_date, type: datetime}
     - {name: geocatalog_open_data_uuid, type: string}
     - {name: geocatalog_open_data_only_add_gpkg, type: boolean}