diff --git a/src/api/api.service.ts b/src/api/api.service.ts
index b779140..e5d84a6 100644
--- a/src/api/api.service.ts
+++ b/src/api/api.service.ts
@@ -158,7 +158,7 @@ export default abstract class ApiService {
 
   private handleError(error: HttpErrorResponse): void {
     // todo: change to Retry-After condition
-    if (error.error && error.error.detail.includes("setup")) {
+    if (error.error && error.error.detail && error.error.detail.includes("setup")) {
       this.router.navigate(['/setup/']).then();
       return;
     }