diff --git a/archive/frames/models.py b/archive/frames/models.py
index cf82174..d34d70b 100644
--- a/archive/frames/models.py
+++ b/archive/frames/models.py
@@ -205,7 +205,10 @@ def filename(self):
 
     @cached_property
     def url(self):
-        path = get_file_store_path(self.filename, self.frame.get_header_dict())
+        metadata = self.frame.get_header_dict()
+        metadata['size'] = self.size
+        metadata['frame_basename'] = self.frame.basename
+        path = get_file_store_path(self.filename, metadata)
         file_store = FileStoreFactory.get_file_store_class()()
         return file_store.get_url(path, self.key, expiration=3600 * 48)
 
diff --git a/archive/frames/tests/factories.py b/archive/frames/tests/factories.py
index d2759fc..5cc7a36 100644
--- a/archive/frames/tests/factories.py
+++ b/archive/frames/tests/factories.py
@@ -193,6 +193,7 @@ class Meta:
         model = Thumbnail
 
     size = factory.fuzzy.FuzzyChoice(['small', 'medium', 'large'])
-    filename = factory.fuzzy.FuzzyText(length=10, suffix='.jpg')
+    basename = factory.fuzzy.FuzzyText(length=10)
+    extension = factory.fuzzy.FuzzyChoice(['.jpeg', '.jpg'])
     key = factory.fuzzy.FuzzyText(length=32)
     frame = factory.SubFactory('archive.frames.tests.factories.FrameFactory')
diff --git a/archive/frames/tests/test_views.py b/archive/frames/tests/test_views.py
index 422c753..0eed4bb 100644
--- a/archive/frames/tests/test_views.py
+++ b/archive/frames/tests/test_views.py
@@ -791,12 +791,12 @@ def setUp(self):
 
     def test_get_thumbnail(self):
         response = self.client.get(reverse('thumbnail-detail', args=(self.thumbnail.id,)))
-        self.assertEqual(response.json()['filename'], self.thumbnail.filename)
+        self.assertEqual(response.json()['basename'], self.thumbnail.basename)
 
     def test_get_thumbnail_list(self):
         response = self.client.get(reverse('thumbnail-list'))
         self.assertEqual(len(response.json()), 5)
-        self.assertContains(response, self.thumbnails[0].filename)
+        self.assertContains(response, self.thumbnails[0].basename)
     
     def test_get_thumbnail_list_filtered_by_frame_attribute(self):
         response = self.client.get(reverse('thumbnail-list') + '?proposal_id=' + self.thumbnails[0].frame.proposal_id)
diff --git a/archive/frames/views.py b/archive/frames/views.py
index 2ca9204..4cae0bc 100644
--- a/archive/frames/views.py
+++ b/archive/frames/views.py
@@ -466,9 +466,9 @@ def retrieve(self, request, *args, **kwargs):
         return Response(instance.as_dict())
 
     def create(self, request):
-        filename = request.data.get('filename')
+        basename = request.data.get('basename')
         logger_tags = {'tags': {
-            'filename': filename,
+            'filename': basename,
             'request_id': request.data.get('request_id')
         }}
         logger.info('Got request to process thumbnail', extra=logger_tags)
@@ -485,7 +485,7 @@ def create(self, request):
         if thumbnail_serializer.is_valid():
             # remove the version set as this version does not correspond to the frame object, but rather the thumbnail.
             del frame_serializer.validated_data['version_set']
-            frame = frame_serializer.save()
+            frame = frame_serializer.save(basename=request.data['frame_basename'])
 
             thumbnail = thumbnail_serializer.save(frame=frame)
             logger_tags['tags']['id'] = thumbnail.id