diff --git a/src/assets/angular-material-examples/datepicker-date-class/datepicker-date-class-example.ts b/src/assets/angular-material-examples/datepicker-date-class/datepicker-date-class-example.ts
index c26a8380..c23c9c11 100755
--- a/src/assets/angular-material-examples/datepicker-date-class/datepicker-date-class-example.ts
+++ b/src/assets/angular-material-examples/datepicker-date-class/datepicker-date-class-example.ts
@@ -8,7 +8,7 @@ import {Component, ViewEncapsulation} from '@angular/core';
   encapsulation: ViewEncapsulation.None,
 })
 export class DatepickerDateClassExample {
-  dateClass = (d: Date) => {
+  dateClass = (d: any) => {
 
     const date = d.date();