diff --git a/go-junit-report.go b/go-junit-report.go
index ed801c2..1332f3b 100644
--- a/go-junit-report.go
+++ b/go-junit-report.go
@@ -20,7 +20,8 @@ func main() {
 	flag.Parse()
 
 	if flag.NArg() != 0 {
-		fmt.Println("go-junit-report does not accept positional arguments")
+		fmt.Fprintf(os.Stderr, "%s does not accept positional arguments\n", os.Args[0])
+		flag.Usage()
 		os.Exit(1)
 	}