diff --git a/core/redis-smart-cache-core/src/main/java/com/redis/smartcache/core/StreamConfigManager.java b/core/redis-smart-cache-core/src/main/java/com/redis/smartcache/core/StreamConfigManager.java
index c1f7020..0e79978 100644
--- a/core/redis-smart-cache-core/src/main/java/com/redis/smartcache/core/StreamConfigManager.java
+++ b/core/redis-smart-cache-core/src/main/java/com/redis/smartcache/core/StreamConfigManager.java
@@ -92,7 +92,7 @@ public String key() {
     }
 
     private KeyBuilder keyBuilder() {
-        return KeyBuilder.of(config).withKeyspace("config");
+        return KeyBuilder.of(config).sub("config");
     }
 
     @Override