diff --git a/lib/time_formatter.dart b/lib/time_formatter.dart
index 355a77f..c091569 100644
--- a/lib/time_formatter.dart
+++ b/lib/time_formatter.dart
@@ -7,7 +7,7 @@ import 'package:intl/intl.dart';
 String _printDuration(Duration duration) {
   String negativeSign = duration.isNegative ? '-' : '';
   String twoDigits(int n) => n.toString().padLeft(2, "0");
-  String twoDigitMinutes = twoDigits(duration.inMinutes.remainder(60).abs());
+  String twoDigitMinutes = twoDigits(duration.inMinutes.abs());
   String twoDigitSeconds = twoDigits(duration.inSeconds.remainder(60).abs());
   return "$negativeSign$twoDigitMinutes:$twoDigitSeconds";
 }