diff --git a/stages/tests.py b/stages/tests.py
index 1845f10..8cb8c0a 100644
--- a/stages/tests.py
+++ b/stages/tests.py
@@ -471,7 +471,7 @@ class ImportTests(TestCase):
             option='ENF', instructor=inst
         )
         # An existing student, klass should be changed.
-        Student.objects.create(ext_id=11111, first_name="Séraphin", last_name="Lampion", klass=k1)
+        Student.objects.create(ext_id=11111, first_name="Séraphin", last_name="Lampion", city='Marin', klass=k1)
         Student.objects.create(ext_id=44444, first_name="Tryphon", last_name="Tournesol", klass=k1)
 
         path = os.path.join(os.path.dirname(__file__), 'test_files', 'CLOEE2_Export_FE_2018.xlsx')
@@ -498,8 +498,10 @@ class ImportTests(TestCase):
         self.assertIn("Objets créés : 2", msg)
         self.assertIn("Objets modifiés : 1", msg)
 
+        # Student already exists, klass changed
         student1 = Student.objects.get(ext_id=11111)
         self.assertEqual(student1.klass.name, '2ASSCFEa')
+        self.assertEqual(student1.city, 'Marin')  # file has 'Marin-Epagnier'
         # New student from existing candidate.
         student_cand = Student.objects.get(ext_id=22222)
         self.assertEqual(student_cand.instructor.last_name, 'Rastapopoulos')
diff --git a/stages/views/imports.py b/stages/views/imports.py
index d6fdc50..f4e466e 100644
--- a/stages/views/imports.py
+++ b/stages/views/imports.py
@@ -84,6 +84,7 @@ class StudentImportView(ImportViewBase):
         'ELE_TEL_PRIVE': 'tel',
         'ELE_TEL_MOBILE': 'mobile',
         'ELE_EMAIL_RPN': 'email',
+        'ELE_COMPTE_RPN': 'login_rpn',
         'ELE_DATE_NAISSANCE': 'birth_date',
         'ELE_AVS': 'avs',
         'ELE_SEXE': 'gender',
@@ -105,6 +106,8 @@ class StudentImportView(ImportViewBase):
         'HAN': 'Accompagnement des personnes handicapées',
         'PAG': 'Accompagnement des personnes âgées',
     }
+    # Those values are always taken from the import file
+    fields_to_overwrite = ['klass', 'login_rpn']
 
     def get_form_kwargs(self):
         kwargs = super().get_form_kwargs()
@@ -172,9 +175,9 @@ class StudentImportView(ImportViewBase):
             try:
                 student = Student.objects.get(ext_id=defaults['ext_id'])
                 modified = False
-                for key, val in defaults.items():
-                    if getattr(student, key) != val:
-                        setattr(student, key, val)
+                for field_name in self.fields_to_overwrite:
+                    if getattr(student, field_name) != defaults[field_name]:
+                        setattr(student, field_name, defaults[field_name])
                         modified = True
                 if student.archived:
                     sudent.archived = False