diff --git a/server_files/classes/User.php b/server_files/classes/User.php
index 381e71c..b069b97 100644
--- a/server_files/classes/User.php
+++ b/server_files/classes/User.php
@@ -300,7 +300,7 @@ class User
 	{
 		global $DB;
 		$this->school = $school;
-		$DB->prepare("UPDATE `users` SET `school` = ? WHERE `id` = ?;")->execute([SchoolClass::getName($school), $this->getId()]);
+		$DB->prepare("UPDATE `users` SET `school` = ? WHERE `id` = ?;")->execute([$school, $this->getId()]);
 	}
 
 	public function getClass()
diff --git a/server_files/controllers/inscription.php b/server_files/controllers/inscription.php
index 62917e3..99adfe4 100644
--- a/server_files/controllers/inscription.php
+++ b/server_files/controllers/inscription.php
@@ -72,6 +72,9 @@ class NewUser
 				ensure(filter_var($this->responsible_email, FILTER_VALIDATE_EMAIL), "Veuillez spécifier un responsable légal.");
 			}
 		}
+		else {
+			$this->class = SchoolClass::ADULT;
+		}
 
 		if (count(User::getAllUsers()) == 0)
 			$this->role = Role::ADMIN;
diff --git a/server_files/controllers/mon_compte.php b/server_files/controllers/mon_compte.php
index 219ded5..fa1b762 100644
--- a/server_files/controllers/mon_compte.php
+++ b/server_files/controllers/mon_compte.php
@@ -83,7 +83,7 @@ class MyAccount
 		$keys = ["email", "surname", "first_name", "birth_date", "gender", "address", "postal_code", "city", "country", "phone_number",
 			"school", "class", "responsible_name", "responsible_phone", "responsible_email", "description"];
 
-		if ($this->user->getRole() != Role::PARTICIPANT)
+		if ($this->user->getRole() == Role::PARTICIPANT)
 			$this->class = SchoolClass::fromName(strtoupper($this->class));
 		else
 		    $this->class = SchoolClass::ADULT;