diff --git a/V2/sleep/src/main.rs b/V2/sleep/src/main.rs
index 895a51e..040f04b 100644
--- a/V2/sleep/src/main.rs
+++ b/V2/sleep/src/main.rs
@@ -70,7 +70,7 @@ fn print_delay(duration: Duration, delay: Duration) {
              duration.subsec_nanos(),
              delay.as_secs(),
              delay.subsec_nanos(),
-             (delay.subsec_nanos() * 100) as f64 / duration.subsec_nanos() as f64,
+             (duration_to_ns(delay) * 100) as f64 / duration_to_ns(duration) as f64,
              delay);
 }