diff --git a/server_files/controllers/ajouter_organisateur.php b/server_files/controllers/ajouter_organisateur.php
index fd3add3..12e36c8 100644
--- a/server_files/controllers/ajouter_organisateur.php
+++ b/server_files/controllers/ajouter_organisateur.php
@@ -38,7 +38,7 @@ class NewOrganizer {
 		ensure(filter_var($this->email, FILTER_VALIDATE_EMAIL), "L'adresse e-mail est invalide.");
 		$this->email = strtolower($this->email);
 		ensure(!userExists($this->email), "Cette adresse e-mail est déjà utilisée.");
-		$this->admin = $this->admin == "on" ? true : false;
+		$this->admin = isset($this->admin) ? 1 : 0;
 	}
 
 	public function register() {