diff --git a/midi-file/src/tempo_track.rs b/midi-file/src/tempo_track.rs
index e70b842a..38fc5880 100644
--- a/midi-file/src/tempo_track.rs
+++ b/midi-file/src/tempo_track.rs
@@ -42,7 +42,7 @@ impl TempoTrack {
         let mut tempo_events: Vec<_> = tempo_events.into_values().collect();
         tempo_events.sort_by_key(|e| e.absolute_pulses);
 
-        let mut previous_absolute_pulses = 0u64;
+        let mut previous_absolute_pulses = 0_u64;
         let mut running_tempo = 500_000;
         let mut res = Duration::ZERO;