diff --git a/src/lib/server/services/appointment-service.ts b/src/lib/server/services/appointment-service.ts
index b4ac0a5..ccb8a8e 100644
--- a/src/lib/server/services/appointment-service.ts
+++ b/src/lib/server/services/appointment-service.ts
@@ -570,7 +570,7 @@ export class AppointmentService {
         iv: string;
         authTag: string;
       };
-      incomingTunnelId: string;
+      incomingTunnelId?: string;
     },
     staffCreated = false,
   ): Promise<AppointmentResponse> {
diff --git a/src/routes/api/tenants/[id]/appointments/staff-create/+server.ts b/src/routes/api/tenants/[id]/appointments/staff-create/+server.ts
index 0751da1..e3201fe 100644
--- a/src/routes/api/tenants/[id]/appointments/staff-create/+server.ts
+++ b/src/routes/api/tenants/[id]/appointments/staff-create/+server.ts
@@ -333,6 +333,7 @@ export const POST: RequestHandler = async ({ params, request, locals }) => {
         clientEmail: validatedData.clientEmail || "",
         clientLanguage: validatedData.clientLanguage,
         encryptedAppointment: validatedData.encryptedAppointment,
+        incomingTunnelId: validatedData.tunnelId,
       };
 
       result = await appointmentService.addAppointmentToTunnel(appointmentData, true);