diff --git a/cmd/mbf/main.go b/cmd/mbf/main.go
index ba0a161f..6ddfb142 100644
--- a/cmd/mbf/main.go
+++ b/cmd/mbf/main.go
@@ -283,7 +283,7 @@ func main() {
 			if _, err := io.Copy(h, os.Stdin); err != nil {
 				return err
 			}
-			log.Println(pkg.Encode(pkg.Checksum(h.Sum(nil))))
+			fmt.Println(pkg.Encode(pkg.Checksum(h.Sum(nil))))
 			return nil
 		},
 	)