diff --git a/Phonebook.Frontend/src/app/shared/pipes/telephone.pipe.ts b/Phonebook.Frontend/src/app/shared/pipes/telephone.pipe.ts
index bcef872d7..3484d5d16 100644
--- a/Phonebook.Frontend/src/app/shared/pipes/telephone.pipe.ts
+++ b/Phonebook.Frontend/src/app/shared/pipes/telephone.pipe.ts
@@ -6,6 +6,6 @@ import { Pipe, PipeTransform } from '@angular/core';
 export class TelephonePipe implements PipeTransform {
   // TODO: #579
   public transform(telephoneNumber: null | string): string {
-    return telephoneNumber == null ? '' : telephoneNumber.replace(/[^+0-9]/g, '');
+    return telephoneNumber == null ? 'No phone number' : telephoneNumber.replace(/[^+0-9]/g, '');
   }
 }