diff --git a/dudlebot.py b/dudlebot.py
index 072ab9a..05b7d25 100644
--- a/dudlebot.py
+++ b/dudlebot.py
@@ -36,9 +36,11 @@ class DudleBot:
             update.message.reply_text("There's a plan unresolved still! (Speak /endplan to fix it.)")
             return
 
+        today = datetime.today()
+
         periods = {
-            'thisweek': datetime.today() - timedelta(days=datetime.today().weekday() % 6),
-            'nextweek': datetime.today() + timedelta(days=7) - timedelta(days=datetime.today().weekday() % 6)
+            'thisweek': today - timedelta(days=today.weekday()),
+            'nextweek': today + timedelta(days=7) - timedelta(days=today.weekday())
         }
 
         period = update.message.text.partition(' ')[2]