diff --git a/R/build_group_variables.R b/R/build_group_variables.R
index 358ccb1..b09fb9c 100644
--- a/R/build_group_variables.R
+++ b/R/build_group_variables.R
@@ -71,6 +71,7 @@ build_group_variables <- function(table_schema,
     'type' = 'Collection',
     "sci:doi" = catalog_config$citation_doi,
     "sci:publications" = stac4cast::build_publication_items(citation_values, doi_values),
+    #"sci:publications" = NULL,
     'links' = c(group_var_items,#generate_group_variable_items(variables = group_var_values)
                 list(
                   list(
@@ -109,7 +110,7 @@ build_group_variables <- function(table_schema,
     "extent" = list(
       "spatial" = list(
         #'bbox' = list(list(stac4cast::get_bbox(site_metadata = catalog_config$site_metadata_url, sites = group_sites)))),
-        'bbox' = stac4cast::get_bbox(site_metadata = catalog_config$site_metadata_url, sites = group_sites)),
+        'bbox' = list(stac4cast::get_bbox(site_metadata = catalog_config$site_metadata_url, sites = group_sites))),
       "temporal" = list(
         'interval' = list(list(
           paste0(start_date,"T00:00:00Z"),
diff --git a/R/build_model.R b/R/build_model.R
index c87812a..780f5db 100644
--- a/R/build_model.R
+++ b/R/build_model.R
@@ -61,7 +61,7 @@ build_model <- function(model_id,
     "stac_extensions"= list('https://stac-extensions.github.io/table/v1.2.0/schema.json'),
     "type"= "Feature",
     "id"= model_id,
-    "bbox"= stac4cast::get_bbox(site_metadata = site_table, sites = site_values),
+    "bbox"= list(stac4cast::get_bbox(site_metadata = site_table, sites = site_values)),
     "geometry"= list(
       "type"= catalog_config$site_type,
       "coordinates"=  stac4cast::get_site_coords(site_metadata = site_table, sites = site_values)