diff --git a/lib/widgets/patients/patient_card/ShowTimer.dart b/lib/widgets/patients/patient_card/ShowTimer.dart
index 067b9583..8ed72425 100644
--- a/lib/widgets/patients/patient_card/ShowTimer.dart
+++ b/lib/widgets/patients/patient_card/ShowTimer.dart
@@ -48,7 +48,7 @@ class _ShowTimerState extends State<ShowTimer> {
 
   generateShowTimerString() {
     DateTime now = DateTime.now();
-    DateTime liveCareDate = DateTime.parse(widget.patientInfo.arrivalTime);
+    DateTime liveCareDate = DateTime.parse(widget.patientInfo.arrivalTime!);
     String timer = AppDateUtils.differenceBetweenDateAndCurrent(liveCareDate, context, isShowSecond: true, isShowDays: false);
 
     return timer;