diff --git a/lib/Korap.pm b/lib/Korap.pm
index 311ed48..584d31d 100644
--- a/lib/Korap.pm
+++ b/lib/Korap.pm
@@ -1,5 +1,6 @@
 package Korap;
 use Mojo::Base 'Mojolicious';
+use Mojo::ByteStream 'b';
 
 our $VERSION = '0.07';