diff --git a/packages/grpc-js/src/xds-client.ts b/packages/grpc-js/src/xds-client.ts
index f867ed7c..f5725d78 100644
--- a/packages/grpc-js/src/xds-client.ts
+++ b/packages/grpc-js/src/xds-client.ts
@@ -452,6 +452,7 @@ export class XdsClient {
                 } else {
                   nackError = 'RouteConfiguration validation failed';
                 }
+                break;
               }
             } else {
               nackError = `Invalid resource type ${