diff --git a/lib/seek/index_table_columns.yml b/lib/seek/index_table_columns.yml
index 87bfa3d624..2a6b6eec50 100644
--- a/lib/seek/index_table_columns.yml
+++ b/lib/seek/index_table_columns.yml
@@ -111,3 +111,7 @@ columns:
     default: [ web_page ]
     additional_allowed: [ start_date, end_date, topic_annotation_values ]
 
+  sample:
+    required: [ ]
+    default: [ sample_type ]
+    additional_allowed: [ ]
\ No newline at end of file