diff --git a/apps/registration/apps.py b/apps/registration/apps.py
index 4c681a5..a6d9ede 100644
--- a/apps/registration/apps.py
+++ b/apps/registration/apps.py
@@ -15,3 +15,6 @@ class RegistrationConfig(AppConfig):
         pre_save.connect(send_email_link, "auth.User")
         post_save.connect(create_admin_registration, "auth.User")
         post_save.connect(invite_to_public_rooms, "registration.Registration")
+        post_save.connect(invite_to_public_rooms, "registration.StudentRegistration")
+        post_save.connect(invite_to_public_rooms, "registration.CoachRegistration")
+        post_save.connect(invite_to_public_rooms, "registration.AdminRegistration")
diff --git a/apps/registration/signals.py b/apps/registration/signals.py
index ff89f65..71b761e 100644
--- a/apps/registration/signals.py
+++ b/apps/registration/signals.py
@@ -41,11 +41,11 @@ def create_admin_registration(instance, **_):
         AdminRegistration.objects.get_or_create(user=instance)
 
 
-def invite_to_public_rooms(instance: Registration, **_):
+def invite_to_public_rooms(instance: Registration, created: bool, **_):
     """
     When a user got registered, automatically invite the Matrix user into public rooms.
     """
-    if not instance.pk:
+    if not created:
         Matrix.invite("#annonces:correspondances-maths.fr", f"@{instance.matrix_username}:correspondances-maths.fr")
         Matrix.invite("#faq:correspondances-maths.fr", f"@{instance.matrix_username}:correspondances-maths.fr")
         Matrix.invite("#je-cherche-une-equip:correspondances-maths.fr",