diff --git a/main.py b/main.py
index 1abc9e5..85c1c7f 100644
--- a/main.py
+++ b/main.py
@@ -56,7 +56,7 @@ if not DAYS_OF_WEEK:
 
 def is_within_schedule():
     now = datetime.now()
-    return now.weekday() in DAYS_OF_WEEK and START_HOUR <= now.hour < END_HOUR
+    return now.isoweekday() in DAYS_OF_WEEK and START_HOUR <= now.hour < END_HOUR
 
 
 def generate_insight(topic):