diff --git a/topologie/migrations/0061_portprofile.py b/topologie/migrations/0061_portprofile.py
index 2b326f28..d0e84021 100644
--- a/topologie/migrations/0061_portprofile.py
+++ b/topologie/migrations/0061_portprofile.py
@@ -31,7 +31,7 @@ class Migration(migrations.Migration):
                 ('arp_protect', models.BooleanField(default=False, help_text="Verification assignation de l'IP par dhcp", verbose_name='Arp protect')),
                 ('ra_guard', models.BooleanField(default=False, help_text='Protection contre ra pirate', verbose_name='Ra guard')),
                 ('loop_protect', models.BooleanField(default=False, help_text='Protection contre les boucles', verbose_name='Loop Protect')),
-                ('vlan_tagged', models.ManyToManyField(blank=True, null=True, related_name='vlan_tagged', to='machines.Vlan', verbose_name='VLAN(s) tagged')),
+                ('vlan_tagged', models.ManyToManyField(blank=True, related_name='vlan_tagged', to='machines.Vlan', verbose_name='VLAN(s) tagged')),
                 ('vlan_untagged', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='vlan_untagged', to='machines.Vlan', verbose_name='VLAN untagged')),
             ],
             options={
diff --git a/topologie/models.py b/topologie/models.py
index c7f0e28f..86beed71 100644
--- a/topologie/models.py
+++ b/topologie/models.py
@@ -537,7 +537,6 @@ class PortProfile(AclMixin, RevMixin, models.Model):
         'machines.Vlan',
         related_name='vlan_tagged',
         blank=True,
-        null=True,
         verbose_name=_("VLAN(s) tagged")
     )
     radius_type = models.CharField(