diff --git a/instruct/handlers.py b/instruct/handlers.py
index 44d7cb7..67cdcf5 100644
--- a/instruct/handlers.py
+++ b/instruct/handlers.py
@@ -184,7 +184,7 @@ async def create_sd_ticket_for_trueconf(user_id: str, cn: str) -> str | None:
 
     # Получаем email из AD
     ad_info = get_ad_user_info(user_id)
-    requester_email = ad_info.get("mail", DEFAULT_REQUESTER) if ad_info else DEFAULT_REQUESTER
+    requester_email = ad_info.get("mail") or DEFAULT_REQUESTER
     city = ad_info.get("city", "Кемерово") if ad_info else "Кемерово"
 
     description = (