diff --git a/checkdir.go b/checkdir.go
index b597834..9614d7d 100644
--- a/checkdir.go
+++ b/checkdir.go
@@ -27,7 +27,7 @@ func checkDir(dir string) error {
 		return err
 	}
 	if !fi.IsDir() {
-		return fmt.Errorf("%s is not a directory")
+		return fmt.Errorf("%s is not a directory", dir)
 	}
 	return nil
 }
diff --git a/daemonize.go b/daemonize.go
index e93c264..32255ca 100644
--- a/daemonize.go
+++ b/daemonize.go
@@ -29,7 +29,7 @@ func daemonize() {
 	c.Stdin = os.Stdin
 	err := c.Start()
 	if err != nil {
-		fmt.Printf("daemonize: starting %s failed: %v\n", name)
+		fmt.Printf("daemonize: starting %s failed: %v\n", name, err)
 		os.Exit(1)
 	}
 	err = c.Wait()