diff --git a/lib/api.js b/lib/api.js
index 4d4263f..8f877f6 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -720,7 +720,10 @@ var API = module.exports = function (opts) {
                                opts.api.path :
                                opts.api.port;
             backend.on('error', function (err) {
-                return onError(err);
+                if (onError)
+                    return onError(err);
+                else
+                    console.error(err);
             });
 
             backend.init(function () {
@@ -729,7 +732,8 @@ var API = module.exports = function (opts) {
 
             return server.listen(port_or_path, function () {
                 log.info('%s listening at %s', server.name, server.url);
-                return onInit();
+                if (onInit)
+                    return onInit();
             });
 
         },