diff --git a/web/modules/contrib/views_csv_source/src/Query/Connection.php b/web/modules/contrib/views_csv_source/src/Query/Connection.php
index ab7ca85..fdac977 100644
--- a/web/modules/contrib/views_csv_source/src/Query/Connection.php
+++ b/web/modules/contrib/views_csv_source/src/Query/Connection.php
@@ -287,7 +287,7 @@ public function getCsvColumnData(string $uri = '', string $header = '', array $q
 
       $records = $stmt->process($csv, $selected_headers);
       $unique_values = [];
-      foreach ($records->fetchColumnByName($header) as $column_content) {
+      foreach ($records->fetchColumn($header) as $column_content) {
         $unique_values[$column_content] = TRUE;
       }
       return array_keys($unique_values);