diff --git a/advlabdb/models.py b/advlabdb/models.py
index 5d3fb14..63c0d92 100644
--- a/advlabdb/models.py
+++ b/advlabdb/models.py
@@ -534,7 +534,7 @@ class Semester(db.Model):
 
         if last_semester is not None:
             if year < last_semester.year or (year == last_semester.year and label == "SS"):
-                raise DatabaseException(f"You can only create semesters older than the last semester {last_semester}!")
+                raise DatabaseException(f"You can only create semesters later than the last semester {last_semester}!")
 
         super().__init__(label=label, year=year, **kwargs)