diff --git a/packages/core/src/main/k8s/api-base-host-header.injectable.ts b/packages/core/src/main/k8s/api-base-host-header.injectable.ts
index 281c4fda84..fda4fe800a 100644
--- a/packages/core/src/main/k8s/api-base-host-header.injectable.ts
+++ b/packages/core/src/main/k8s/api-base-host-header.injectable.ts
@@ -11,7 +11,7 @@ const apiBaseHostHeaderInjectable = getInjectable({
   instantiate: (di) => {
     const lensProxyPort = di.inject(lensProxyPortInjectable);
 
-    return `localhost:${lensProxyPort.get()}`;
+    return `lens.app:${lensProxyPort.get()}`;
   },
   injectionToken: apiBaseHostHeaderInjectionToken,
 });