diff --git a/advlabdb/models.py b/advlabdb/models.py
index 47d725c..37a6865 100644
--- a/advlabdb/models.py
+++ b/advlabdb/models.py
@@ -60,6 +60,12 @@ class Student(db.Model):
 
     part_students = db.relationship("PartStudent", back_populates="student", lazy=True)
 
+    def __init__(self, uni_email, contact_email=None, **kwargs):
+        if contact_email is not None and uni_email.strip() == contact_email.strip():
+            contact_email = None
+
+        super().__init__(uni_email=uni_email, contact_email=contact_email, **kwargs)
+
     def str(self):
         return f"{self.first_name} {self.last_name}"