diff --git a/advlabdb/adminModelViews.py b/advlabdb/adminModelViews.py
index 521caaa..c55f6a2 100644
--- a/advlabdb/adminModelViews.py
+++ b/advlabdb/adminModelViews.py
@@ -42,7 +42,6 @@ from .exceptions import DataBaseException, ModelViewException
 from .model_dependent_funs import (
     initActiveSemesterMenuLinks,
     lastSemester,
-    setUserActiveSemester,
     sortedSemestersStartingWithNewest,
 )
 from .model_independent_funs import randomPassword
@@ -347,7 +346,7 @@ class SemesterView(SecureAdminModelView):
         category._children.insert(0, link)
 
     def after_model_change(self, form, model, is_created):
-        setUserActiveSemester(model)
+        current_user.setActiveSemester(model)
 
         SemesterView.addMenuLink(adminSpace, model)
         SemesterView.addMenuLink(assistantSpace, model)
diff --git a/advlabdb/model_dependent_funs.py b/advlabdb/model_dependent_funs.py
index 46f904a..e134dca 100644
--- a/advlabdb/model_dependent_funs.py
+++ b/advlabdb/model_dependent_funs.py
@@ -24,23 +24,6 @@ def lastSemester():
     return sortedSemestersStartingWithNewest(limit=1).first()
 
 
-def setUserActiveSemester(semester):
-    if semester is None:
-        flash(f"Can not change the active semester to None!", "error")
-        return
-
-    if current_user.active_semester != semester:
-        try:
-            current_user.active_semester = semester
-            db.session.commit()
-        except Exception as ex:
-            flash(str(ex), "error")
-
-            db.session.rollback()
-        else:
-            flash(f"Active semester changed to {semester.repr()}!", "warning")
-
-
 def initActiveSemesterMenuLinks(space):
     with app.app_context():
         try:
diff --git a/advlabdb/models.py b/advlabdb/models.py
index 676d1b7..c3c4e45 100644
--- a/advlabdb/models.py
+++ b/advlabdb/models.py
@@ -586,6 +586,22 @@ class User(db.Model, FsUserMixin):
     admin = db.relationship("Admin", back_populates="user", lazy=False, uselist=False)
     assistant = db.relationship("Assistant", back_populates="user", lazy=True, uselist=False)
 
+    def setActiveSemester(semester):
+        if semester is None:
+            flash(f"Can not change the active semester to None!", "error")
+            return
+
+        if self.active_semester != semester:
+            try:
+                self.active_semester = semester
+                db.session.commit()
+            except Exception as ex:
+                flash(str(ex), "error")
+
+                db.session.rollback()
+            else:
+                flash(f"Active semester changed to {semester.repr()}!", "warning")
+
     def repr(self):
         return f"{self.first_name} {self.last_name}"
 
diff --git a/advlabdb/routes.py b/advlabdb/routes.py
index c4cb308..fbbb404 100644
--- a/advlabdb/routes.py
+++ b/advlabdb/routes.py
@@ -2,11 +2,7 @@ from flask import flash, redirect, render_template, request, url_for
 from flask_security import auth_required, current_user, roles_accepted, roles_required
 
 from . import app, db
-from .model_dependent_funs import (
-    active_semester_repr,
-    lastSemester,
-    setUserActiveSemester,
-)
+from .model_dependent_funs import active_semester_repr, lastSemester
 from .models import Semester
 
 
@@ -34,7 +30,7 @@ def set_semester():
         flash(str(ex), "error")
     else:
         semester = db.session.get(Semester, semesterId)
-        setUserActiveSemester(semester)
+        current_user.setActiveSemester(semester)
 
     red = request.referrer or url_for("index")
     return redirect(red)