diff --git a/priv/www/js/formatters.js b/priv/www/js/formatters.js
index f9fc0e7f1..20f4951c4 100644
--- a/priv/www/js/formatters.js
+++ b/priv/www/js/formatters.js
@@ -311,7 +311,7 @@ function fmt_rate_axis(num, max) {
 
 function fmt_bytes(bytes) {
     if (bytes == undefined) return UNKNOWN_REPR;
-    return fmt_si_prefix(bytes, bytes, 1024, false) + 'B';
+    return fmt_si_prefix(bytes, bytes, 1024, false) + 'iB';
 }
 
 function fmt_bytes_axis(num, max) {