diff --git a/generate.py b/generate.py
index 0e2cce9..d5627a8 100644
--- a/generate.py
+++ b/generate.py
@@ -456,6 +456,7 @@ def describe_video(url, neutral=False):
 def describe_item(item, neutral=False):
     if isinstance(item, str):
         item = Item.objects.get(public_id=item)
+    video_url = public_video_url(item)
     return describe_video(video_url, neutral)
 
 def reshoot_item(item, extra_prompt=None, first_frame=None, keep=False):