diff --git a/Client/src/app/components/balloon/balloon.component.ts b/Client/src/app/components/balloon/balloon.component.ts
index fae5ba5..af314f9 100644
--- a/Client/src/app/components/balloon/balloon.component.ts
+++ b/Client/src/app/components/balloon/balloon.component.ts
@@ -53,7 +53,7 @@ export class BalloonComponent implements OnInit {
     this.submitButtonDisabled = true;
     this.emailService.sendEmail(this.name,
                                 email,
-                                this.phone,
+                                this.phone || '',
                                 body,
                                 this.hp)
                       .subscribe(