diff --git a/check/main.go b/check/main.go
index b199763..c65ccab 100644
--- a/check/main.go
+++ b/check/main.go
@@ -36,6 +36,7 @@ func main() {
 
 	if itlXML == "" && path == "" || itlXML != "" && path != "" {
 		fmt.Println("you must specify one of -itlXML or -path")
+		flag.Usage()
 		os.Exit(1)
 	}