diff --git a/daemons/notify.py b/daemons/notify.py
index 56ef13c..07e71c2 100644
--- a/daemons/notify.py
+++ b/daemons/notify.py
@@ -24,7 +24,7 @@ def process():
             ans += f"🏢 {lesson['building']}, {lesson['auditorium']}\n"
             ans += f"🕑 {lesson['begin'].strftime('%H:%M')} - {lesson['end'].strftime('%H:%M')}\n"
             ans += f"🧑‍🏫 {(lesson['lecturer'] or 'Неизвестно')}\n"
-            if lesson['link']:
+            if lesson.get('link', None):
                 ans += f"🔗 {lesson['link']}"
             try:
                 bot.send_message(
diff --git a/helpers/ruz.py b/helpers/ruz.py
index d411eb2..068dd42 100644
--- a/helpers/ruz.py
+++ b/helpers/ruz.py
@@ -78,7 +78,7 @@ class RUZ:
             ans += f"🏢 {lesson['building']}, {lesson['auditorium']}\n"
             ans += f"🕑 {lesson['begin'].strftime('%H:%M')} - {lesson['end'].strftime('%H:%M')}\n"
             ans += f"👨‍🏫 {(lesson['lecturer'] or 'Неизвестно')}\n"
-            if lesson['link']:
+            if lesson.get('link', None):
                 ans += f"🔗 {lesson['link']}\n"
             ans += "\n"
         return ans