diff --git a/blenderkit/search.py b/blenderkit/search.py
index 5ae8aa48919fa8ae644d30c93c9d29f409c54dae..18a6aeaeb536454e58e069e8bef7ec1a213b867a 100644
--- a/blenderkit/search.py
+++ b/blenderkit/search.py
@@ -219,7 +219,7 @@ def parse_result(r):
     if len(r['files']) > 0:
 
         allthumbs = []
-        durl, tname = None, None
+        durl, tname, small_tname = '','',''
         for f in r['files']:
             if f['fileType'] == 'thumbnail':
                 tname = paths.extract_filename_from_url(f['fileThumbnailLarge'])
diff --git a/blenderkit/ui.py b/blenderkit/ui.py
index 38cb494a7a898d98c2ba5bb22b796052ed5749e8..bf2785ed0ac40e3a6eeea1717a5cad41829b85a7 100644
--- a/blenderkit/ui.py
+++ b/blenderkit/ui.py
@@ -1024,10 +1024,10 @@ def is_rating_possible():
             while ad is None or (ad is None and ao_check.parent is not None):
                 s = bpy.context.scene
                 ad = ao_check.get('asset_data')
-                if ad is not None:
+                if ad is not None and ad.get('assetBaseId') is not None:
 
                     s['assets rated'] = s.get('assets rated',{})
-                    rated = s['assets rated'].get(ad.get('assetBaseId'))
+                    rated = s['assets rated'].get(ad['assetBaseId'])
                     # originally hidden for already rated assets
                     return True, rated, ao_check, ad
                 elif ao_check.parent is not None: