diff --git a/cmd/manager/main.go b/cmd/manager/main.go
index 05be7eafd..aa2e49007 100644
--- a/cmd/manager/main.go
+++ b/cmd/manager/main.go
@@ -77,7 +77,8 @@ func runCertManager() {
 	}
 
 	mgrOptions := ctrlmanager.Options{
-		MetricsBindAddress: "0", // disable metrics
+		MetricsBindAddress: "0",          // disable metrics
+		Namespace:          podNamespace, // cache only the secrets from kubemacpool namespace
 	}
 
 	mgr, err := ctrlmanager.New(config.GetConfigOrDie(), mgrOptions)