diff --git a/sample-management-custom/caosdb-server/scripting/bin/sample_helpers/default_constants.yml b/sample-management-custom/caosdb-server/scripting/bin/sample_helpers/default_constants.yml
index 27fa797f27093ae2a5d3944ca8e6a19b126efb5e..303c414b14269947d0527476e2fe3bea99559778 100644
--- a/sample-management-custom/caosdb-server/scripting/bin/sample_helpers/default_constants.yml
+++ b/sample-management-custom/caosdb-server/scripting/bin/sample_helpers/default_constants.yml
@@ -17,6 +17,7 @@
 #
 csv_column_names:
   entity_id: "LinkAhead ID"
+  custom_label_prop: "Custom Label"
 
 csv_column_descriptions:
   LinkAhead ID: "An ID generated by LinkAhead (either integer or URL to this entity). Do not change this column!"