diff --git a/src/app/hello/hello.component.ts b/src/app/hello/hello.component.ts
index 4abcee1..103f0f8 100644
--- a/src/app/hello/hello.component.ts
+++ b/src/app/hello/hello.component.ts
@@ -1,5 +1,5 @@
 import {Component, OnInit} from '@angular/core';
-import {HelloService} from '../../gen';
+import {HelloResponse, HelloService} from '../../gen';
 
 @Component({
   selector: 'app-hello',
@@ -15,8 +15,13 @@ export class HelloComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.helloService.getHello().subscribe(res => {
-      this.helloValue = res.value || "";
+    this.helloService.getHello().subscribe({
+      next: (response: HelloResponse): void => {
+        this.helloValue = response.value || "";
+      },
+      error: (err: Error): void => {
+        this.helloValue = err.message;
+      }
     });
   }
 }