diff --git a/src/mail/mail_reader.py b/src/mail/mail_reader.py
index ab6e1a7..5ff744c 100644
--- a/src/mail/mail_reader.py
+++ b/src/mail/mail_reader.py
@@ -131,6 +131,8 @@ def clean(text):
 
 
 def need_to_valid_url(url: str, successful_items) -> bool:
+    if len(successful_items) == 0:
+        return False
     print("url is :" + url)
     parts = url.split('/')
     id = parts[5]