diff --git a/src/frontend/app/administration/otp/otp.component.ts b/src/frontend/app/administration/otp/otp.component.ts
index d22e3439a9add3b1c8da1ce1ba749e50c42cebc0..bfae98079f37f88cc7cfbd7d6fadce516ef6b27f 100644
--- a/src/frontend/app/administration/otp/otp.component.ts
+++ b/src/frontend/app/administration/otp/otp.component.ts
@@ -126,6 +126,8 @@ export class OtpComponent implements OnInit {
     }
 
     onSubmit() {
+        this.connector.message.sms = !this.connector.securityModes.includes('sms') ? '' : this.connector.message.sms;
+        this.connector.message.email = !this.connector.securityModes.includes('email') ? '' : this.connector.message.email;
         if (this.creationMode) {
             this.createconnector();
         } else {