diff --git a/packages/core/server/src/__tests__/pub-sub-manager.test.ts b/packages/core/server/src/__tests__/pub-sub-manager.test.ts
index cba670c19a..f1c0d6122e 100644
--- a/packages/core/server/src/__tests__/pub-sub-manager.test.ts
+++ b/packages/core/server/src/__tests__/pub-sub-manager.test.ts
@@ -18,7 +18,9 @@ export class RedisPubSubAdapter implements IPubSubAdapter {
   subscriber;
 
   constructor() {
-    this.publisher = createClient();
+    this.publisher = createClient({
+      url: process.env.REDIS_URL || 'redis://redis:6379',
+    });
     this.subscriber = this.publisher.duplicate();
   }