diff --git a/src/subroutines/fetch_series_by_api_link.m b/src/subroutines/fetch_series_by_api_link.m
index 4b71228583ff4bea821158f7ce32a0cbdee04b38..4e3b5efc40a0588bc03e97419f296a85b700c7a3 100644
--- a/src/subroutines/fetch_series_by_api_link.m
+++ b/src/subroutines/fetch_series_by_api_link.m
@@ -72,7 +72,7 @@ else
                 end
             end
         end
-        dimensions_labels_columns_names = dimensions_labels_columns_names_dataset;
+        dimensions_labels_columns_names = [dimensions_labels_columns_names, dimensions_labels_columns_names_dataset];
     end
     ordered_columns_names = [common_columns, dimensions_codes_columns_names, dimensions_labels_columns_names];