diff --git a/lib/units.js b/lib/units.js
index 7220fd0..55a4c2a 100644
--- a/lib/units.js
+++ b/lib/units.js
@@ -58,7 +58,7 @@ const bytesToSize = bytes => {
   if (bytes === 0) return '0';
   const exp = Math.floor(Math.log(bytes) / Math.log(1000));
   const size = bytes / 1000 ** exp;
-  const short = Math.round(size, 2);
+  const short = Math.round(size);
   const unit = SIZE_UNITS[exp];
   return short + unit;
 };