diff --git a/src/ensembl/production/metadata/api/adaptors/genome.py b/src/ensembl/production/metadata/api/adaptors/genome.py
index eae86357..424ef2af 100644
--- a/src/ensembl/production/metadata/api/adaptors/genome.py
+++ b/src/ensembl/production/metadata/api/adaptors/genome.py
@@ -930,7 +930,7 @@ def get_public_path(self, genome_uuid, dataset_type='all', release=None):
         match = re.match(r'^(\d{4}-\d{2})', last_geneset_update)  # Match format YYYY-MM
         last_geneset_update = match.group(1).replace('-', '_')
         scientific_name = scientific_name.replace(' ', '_')
-
+        genebuild_source_name = genebuild_source_name.lower()
         base_path = f"{scientific_name}/{accession}"
         common_path = f"{base_path}/{genebuild_source_name}"