diff --git a/zmldapsync/zmldapsync.pl b/zmldapsync/zmldapsync.pl
index 89806e0..e09c41d 100644
--- a/zmldapsync/zmldapsync.pl
+++ b/zmldapsync/zmldapsync.pl
@@ -968,6 +968,12 @@ sub get_default_conf {
       }
     };
   }
+
+  $defaults->{zimbra} = {
+    create_if_missing => 0,
+    setup_ldap_auth   => 0
+  };
+
   # If some attribute mapping is defined in the provided conf
   # do not use defaults
   foreach my $type ( qw( users groups ) ) {