diff --git a/server_files/controllers/inscription.php b/server_files/controllers/inscription.php
index c74d40f..6a51fe0 100644
--- a/server_files/controllers/inscription.php
+++ b/server_files/controllers/inscription.php
@@ -57,6 +57,8 @@ class NewUser
 
 		if ($this->role == Role::PARTICIPANT)
 			$this->class = SchoolClass::fromName(strtoupper($this->class));
+		else
+		    $this->class = SchoolClass::ADULT;
 
 		$this->confirm_email_token = genRandomPhrase(64);
 	}