diff --git a/src/bot/bot.py b/src/bot/bot.py
index 3779528..d18d000 100644
--- a/src/bot/bot.py
+++ b/src/bot/bot.py
@@ -21,8 +21,9 @@ def load_registered_users():
     """
     registered_users = set()
     for user in get_all_users():
-        ids = user.telegram_ids.split(',')
-        registered_users.update(map(int, ids))
+        if user.telegram_ids:
+            ids = user.telegram_ids.split(',')
+            registered_users.update(map(int, ids))
     return registered_users