diff --git a/src/operations/operationEdit.component.ts b/src/operations/operationEdit.component.ts
index 125d728..20a81ac 100644
--- a/src/operations/operationEdit.component.ts
+++ b/src/operations/operationEdit.component.ts
@@ -97,6 +97,9 @@ import { OperationFormComponent } from './operationForm.component';
 export class OperationEditComponent {
   public operation = new Operation();
 
+  //dateMask = [/\d{4}/, '-', /0[1-9]|1[0-2]/, '-', /[0-2]\d|3[0-1]/];
+  dateMask = ['2', '0', /\d/, /\d/, '-', /[0-1]/, /\d/, '-', /[0-3]/, /\d/];
+
   constructor(
     private location: Location,
     private router: Router,