diff --git a/packages/runtime/src/switch/service.ts b/packages/runtime/src/switch/service.ts
index 7275fda2..369fdea7 100644
--- a/packages/runtime/src/switch/service.ts
+++ b/packages/runtime/src/switch/service.ts
@@ -44,6 +44,10 @@ export class Service {
 		stub();
 	}
 
+	isDomain() {
+		stub();
+	}
+
 	isOverride() {
 		stub();
 	}