diff --git a/scripts/install b/scripts/install
index 2252309..93c5eb9 100755
--- a/scripts/install
+++ b/scripts/install
@@ -147,7 +147,7 @@ ynh_script_progression --message="Finalizing installation..." --weight=1
 
 ynh_local_curl "/cp-install"
 
-ynh_local_curl "/cp-install/create-superadmin" email=$email username=$admin password="$password"
+ynh_local_curl "/cp-install/create-superadmin" "email=$email" "username=$admin" "password='$password'"
 
 ynh_permission_update --permission="main" --remove="visitors"