diff --git a/emblem5/ai/fetch-scans.py b/emblem5/ai/fetch-scans.py
index 92ee9f2..9799431 100755
--- a/emblem5/ai/fetch-scans.py
+++ b/emblem5/ai/fetch-scans.py
@@ -44,16 +44,19 @@ class ScanDataFetcher(object):
             ret[md['id']] = md
         return ret
 
-    def fetch(self, sample_rate=None):
+    def fetch(self, sample_rate=None, scan_ids=None):
         local_scan_data = self.load_local_scan_data()
         logger.info(f'local_scan_data: {len(local_scan_data)}')
         url = 'https://themblem.com/api/v1/scan-data-labels/'
         r = requests.get(url, headers=self.make_headers())
         data = r.json()
         fetch_backlog = []
+        scan_ids_set = set(scan_ids) if scan_ids else None
         for item in data['items']:
             if 'code' not in item or 'id' not in item or not item.get('labels') or 'image' not in item or not item.get('image'):
                 continue
+            if scan_ids_set and item['id'] not in scan_ids_set:
+                continue
             if item['id'] in local_scan_data:
                 local_labels = local_scan_data[item['id']]['labels']
                 if local_labels == item['labels']:
@@ -137,6 +140,7 @@ def parse_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('--data-dir', type=str, default='data')
     parser.add_argument('--sample-rate', '-r', type=float)
+    parser.add_argument('--scan-ids', type=str, help='Comma-separated list of scan IDs to fetch')
     return parser.parse_args()
 
 def main():
@@ -145,7 +149,8 @@ def main():
     data_dir = args.data_dir
     fetcher = ScanDataFetcher()
     logger.info('fetch')
-    fetcher.fetch(args.sample_rate)
+    scan_ids = [int(x.strip()) for x in args.scan_ids.split(',')] if args.scan_ids else None
+    fetcher.fetch(args.sample_rate, scan_ids)
 
 if __name__ == "__main__":
     main()