diff --git a/lib/ui/widgets/countdown_widget.dart b/lib/ui/widgets/countdown_widget.dart
index 7ff56bc..9a112e0 100644
--- a/lib/ui/widgets/countdown_widget.dart
+++ b/lib/ui/widgets/countdown_widget.dart
@@ -30,7 +30,7 @@ class _CountdownWidgetState extends State<CountdownWidget> {
   int get totalDuration => (widget.endTime - widget.startTime).abs();
 
   String get remainingTimeStr {
-    final remaining = Duration(seconds: remainingTime);
+    final remaining = Duration(seconds: remainingTime.abs());
 
     return tr(
       "%days% Days %hours% Hours %minutes% Minutes %seconds% Seconds",
@@ -51,7 +51,10 @@ class _CountdownWidgetState extends State<CountdownWidget> {
   }
 
   void _timerCb(Timer timer) {
-    if (!mounted) timer.cancel();
+    if (!mounted) {
+      timer.cancel();
+      return;
+    }
 
     setState(() {});
   }