diff --git a/cmd/swag/main.go b/cmd/swag/main.go
index 238b25c36..46cecf14d 100644
--- a/cmd/swag/main.go
+++ b/cmd/swag/main.go
@@ -279,7 +279,7 @@ func initAction(ctx *cli.Context) error {
 }
 
 func main() {
-	fmt.Println("Swag version:", swag.Version)
+	fmt.Fprintln(os.Stderr, "Swag version:", swag.Version)
 	app := cli.NewApp()
 	app.Version = swag.Version
 	app.Usage = "Automatically generate RESTful API documentation with Swagger 2.0 for Go."