diff --git a/src/bundle/Resources/public/js/scripts/core/date.time.picker.js b/src/bundle/Resources/public/js/scripts/core/date.time.picker.js
index 7e1719209b..b60b39d420 100644
--- a/src/bundle/Resources/public/js/scripts/core/date.time.picker.js
+++ b/src/bundle/Resources/public/js/scripts/core/date.time.picker.js
@@ -94,7 +94,7 @@ class DateTimePicker {
                 flatpickrDate.setHours(value);
             }
 
-            if (this.flatpickrConfig.minDate?.getTime() > flatpickrDate.getTime()) {
+            if (this.flatpickrConfig.minDate.getTime() > flatpickrDate.getTime()) {
                 return;
             }