diff --git a/benches/memory.rs b/benches/memory.rs
index cafb29b..58448ac 100644
--- a/benches/memory.rs
+++ b/benches/memory.rs
@@ -54,9 +54,9 @@ fn snapshot() -> Stats {
 
 fn fmt_bytes(n: usize) -> String {
     if n >= 1024 * 1024 {
-        format!("{:.1} MB", n as f64 / (1024.0 * 1024.0))
+        format!("{:.1} MiB", n as f64 / (1024.0 * 1024.0))
     } else if n >= 1024 {
-        format!("{:.1} KB", n as f64 / 1024.0)
+        format!("{:.1} KiB", n as f64 / 1024.0)
     } else {
         format!("{n} B")
     }