diff --git a/api/runner/async_runner.go b/api/runner/async_runner.go
index a7fb1c9b2..0e3e214d8 100644
--- a/api/runner/async_runner.go
+++ b/api/runner/async_runner.go
@@ -100,7 +100,7 @@ func RunAsyncRunner(tasksrv, port string) {
 	for {
 		task, err := getTask(u)
 		if err != nil {
-			log.WithError(err)
+			log.WithError(err).Info("Cannot get task")
 			time.Sleep(1 * time.Second)
 			continue
 		}
diff --git a/main.go b/main.go
index d8b8547e0..49a96be95 100644
--- a/main.go
+++ b/main.go
@@ -24,8 +24,8 @@ func init() {
 	viper.SetDefault("mq", fmt.Sprintf("bolt://%s/data/worker_mq.db", cwd))
 	viper.SetDefault("db", fmt.Sprintf("bolt://%s/data/bolt.db?bucket=funcs", cwd))
 	viper.SetDefault("port", 8080)
-	viper.SetDefault("tasksrv", fmt.Sprintf("http://localhost:%d", viper.GetInt("port")))
-	viper.SetDefault("NASYNC", 1)
+	viper.SetDefault("tasks_url", fmt.Sprintf("http://localhost:%d", viper.GetInt("port")))
+	viper.SetDefault("nasync", 1)
 	viper.SetConfigName("config")
 	viper.AddConfigPath(".")
 	viper.AutomaticEnv() // picks up env vars automatically
@@ -55,9 +55,11 @@ func main() {
 		log.WithError(err).Fatalln("Failed to create a runner")
 	}
 
-	tasksrv, port := viper.GetString("PORT"), viper.GetString("TASKSVR")
-	for nasync, i := viper.GetInt("NASYNC"), 0; i < nasync; i++ {
-		go runner.RunAsyncRunner(tasksrv, port)
+	tasksURL, port, nasync := viper.GetString("tasks_url"), viper.GetString("port"), viper.GetInt("nasync")
+	log.Info("async workers:", nasync)
+	log.Fatal(tasksURL)
+	for i := 0; i < nasync; i++ {
+		go runner.RunAsyncRunner(tasksURL, port)
 	}
 
 	srv := server.New(ds, mqType, rnr)