diff --git a/src/yunohost/dyndns.py b/src/yunohost/dyndns.py
index ec3bf88c8..60bea90e8 100644
--- a/src/yunohost/dyndns.py
+++ b/src/yunohost/dyndns.py
@@ -232,10 +232,13 @@ def dyndns_update(dyn_host="dyndns.yunohost.org", domain=None, key=None,
         from yunohost.tools import _get_migration_by_name
         migration = _get_migration_by_name("migrate_to_tsig_sha256")
         try:
-            migration["module"].MyMigration().migrate(dyn_host, domain, key)
+            migration.migrate(dyn_host, domain, key)
         except Exception as e:
-            logger.error(m18n.n('migrations_migration_has_failed', exception=e, **migration), exc_info=1)
-
+            logger.error(m18n.n('migrations_migration_has_failed',
+                                exception=e,
+                                number=migration.number,
+                                name=migration.name),
+                                exc_info=1)
         return
 
     # Extract 'host', e.g. 'nohost.me' from 'foo.nohost.me'