diff --git a/backend/clubs/serializers.py b/backend/clubs/serializers.py
index f6d5a80eb..4a1b7be12 100644
--- a/backend/clubs/serializers.py
+++ b/backend/clubs/serializers.py
@@ -2316,6 +2316,8 @@ def get_xlsx_column_name(key):
                     label = json.loads(fair.questions)[index]["label"]
                     return f"[{fair.name}] {label}"
                 return f"Registered for {fair.name}"
+        else:
+            return key
 
     class Meta(AuthenticatedClubSerializer.Meta):
         pass