diff --git a/gamumail_administrations.php b/gamumail_administrations.php
index e2af6ec..d87d870 100644
--- a/gamumail_administrations.php
+++ b/gamumail_administrations.php
@@ -42,6 +42,9 @@ function gamumail_upgrade($nom_meta_base_version, $version_cible) {
 }
 
 function creer_compte_curl(){
+	if (sql_countsel('nom', 'spip_auteurs', 'nom="curl_login"')){
+		return;
+	}
 	$mdp = uniqid(uniqid(),1);
 	$set = [
 		'nom'    => 'curl_login',