diff --git a/site/_extensions/gallery_generator.py b/site/_extensions/gallery_generator.py
index e60e12d..cbb7c31 100644
--- a/site/_extensions/gallery_generator.py
+++ b/site/_extensions/gallery_generator.py
@@ -68,7 +68,7 @@ def generate_repo_dicts(all_items):
             gallery_info_dict = yaml.safe_load(requests.get(gallery_info_url).content)
             thumbnail = gallery_info_dict["thumbnail"]
             tag_dict = {
-                k: v for k, v in gallery_info_dict["tags"].items() if v[0] is not None
+                k: v for k, v in gallery_info_dict["tags"].items() if (v is not None and v[0] is not None)
             }
 
         except:
@@ -81,7 +81,7 @@ def generate_repo_dicts(all_items):
             authors = config_dict["author"]
             thumbnail = config_dict["thumbnail"]
             tag_dict = {
-                k: v for k, v in config_dict["tags"].items() if v[0] is not None
+                k: v for k, v in config_dict["tags"].items() if (v is not None and v[0] is not None)
             }
 
         repo_dict = {
diff --git a/site/cookbook_gallery.txt b/site/cookbook_gallery.txt
index 5a4bb31..4233ad3 100644
--- a/site/cookbook_gallery.txt
+++ b/site/cookbook_gallery.txt
@@ -8,4 +8,5 @@ kerchunk-cookbook
 xbatcher-ML-1-cookbook
 dask-cookbook
 ERA5_interactive-cookbook
-web-map-feature-services-cookbook
\ No newline at end of file
+web-map-feature-services-cookbook
+gridding-cookbook