diff --git a/cmd/swarm/swarm-smoke/main.go b/cmd/swarm/swarm-smoke/main.go
index ea419e9fac..f6e489df8a 100644
--- a/cmd/swarm/swarm-smoke/main.go
+++ b/cmd/swarm/swarm-smoke/main.go
@@ -168,4 +168,6 @@ func emitMetrics(ctx *cli.Context) error {
 			"filesize": fmt.Sprintf("%v", filesize),
 		})
 	}
+
+	return nil
 }