diff --git a/btrbk b/btrbk
index 734d294..2a37e25 100755
--- a/btrbk
+++ b/btrbk
@@ -64,7 +64,7 @@ my %config_options = (
   receive_log               => { default => undef,    accept => [ "sidecar", "no" ], accept_file => { absolute => 1 }, deprecated => "removed" },
   incremental               => { default => "yes",    accept => [ "yes", "no", "strict" ] },
   snapshot_create_always    => { default => undef,    accept => [ "yes", "no" ] },
-  resume_missing            => { default => undef,    accept => [ "yes", "no" ] },
+  resume_missing            => { default => "yes",    accept => [ "yes", "no" ] },
   preserve_day_of_week      => { default => "sunday", accept => [ (keys %day_of_week_map) ] },
   snapshot_preserve_daily   => { default => "all",    accept => [ "all" ], accept_numeric => 1  },
   snapshot_preserve_weekly  => { default => 0,        accept => [ "all" ], accept_numeric => 1  },