diff --git a/server/settings.py b/server/settings.py
index 05e6e12..0b8b017 100644
--- a/server/settings.py
+++ b/server/settings.py
@@ -361,3 +361,5 @@
 AGENDA_SCHEMA_VERSION = 6
 
 SOURCE_EXPIRY_DAYS = {}
+
+AGENDA_CSV_SUBJECT_SCHEMES = ["subject_custom"]