diff --git a/html/compute.php b/html/compute.php
index a004865d8..0c0b4a6b8 100644
--- a/html/compute.php
+++ b/html/compute.php
@@ -53,7 +53,7 @@ if ($http->post("action","string","xx")=="qr_refresh") {
         echo $authenticator->compute_code($secret);
          
      } catch (Exception $exc) {
-         record_log("refresh BarCode invalide");
+         record_log($exc);
      }
     return;