diff --git a/packages/apps-config/src/endpoints/testing.ts b/packages/apps-config/src/endpoints/testing.ts
index 3e255ce303..c7c9bdd0dd 100644
--- a/packages/apps-config/src/endpoints/testing.ts
+++ b/packages/apps-config/src/endpoints/testing.ts
@@ -113,7 +113,7 @@ export function createTesting (t: TFunction): LinkOption[] {
       info: 'phala',
       text: t('rpc.phala', 'Phala PoC-3', { ns: 'apps-config' }),
       textBy: t('rpc.hosted.by', 'hosted by {{host}}', { ns: 'apps-config', replace: { host: 'Phala Network' } }),
-      value: 'wss://poc3.phala.network/ws'
+      value: 'wss://poc3a.phala.network/ws'
     },
     {
       info: 'laminar',