diff --git a/src/UXClient/Components/DateTimePicker/DateTimePicker.ts b/src/UXClient/Components/DateTimePicker/DateTimePicker.ts
index 23c05f13..1d2e8443 100644
--- a/src/UXClient/Components/DateTimePicker/DateTimePicker.ts
+++ b/src/UXClient/Components/DateTimePicker/DateTimePicker.ts
@@ -190,7 +190,7 @@ class DateTimePicker extends ChartComponent{
         this.setFromMillis(fromMillis);
         this.setToMillis(toMillis); 
         
-        this.targetElement.append("div").classed("tsi-errorMessageContainer", true);
+        this.targetElement.append("div").classed("tsi-errorMessageContainer", true).attr('aria-live', 'assertive');
         this.createTimePicker();
         this.createCalendar();
         this.calendarPicker.draw();
@@ -591,4 +591,4 @@ class DateTimePicker extends ChartComponent{
     }
 }
 
-export default DateTimePicker;
\ No newline at end of file
+export default DateTimePicker;