diff --git a/src/lambda/get-all-threads/index.py b/src/lambda/get-all-threads/index.py
index f4f8ef67d..5f353cbe9 100644
--- a/src/lambda/get-all-threads/index.py
+++ b/src/lambda/get-all-threads/index.py
@@ -36,6 +36,9 @@ def get_all_threads(uid, index, num, school, tags, board_id):
             item['mod'] = True
         item['user_liked'] = uid in item.get('likes', [])
         item['total_likes'] = len(item.get('likes', []))
+
+        presigned_url = None
+
         if "obj_key" in item:
             bucket_name = bucket
             presigned_url = generate_url(bucket_name, item["obj_key"])