diff --git a/infra/kubernetes/platform/longhorn/application.yaml b/infra/kubernetes/platform/longhorn/application.yaml
index 5df02e5..a5bd0f3 100644
--- a/infra/kubernetes/platform/longhorn/application.yaml
+++ b/infra/kubernetes/platform/longhorn/application.yaml
@@ -18,7 +18,7 @@ spec:
         preUpgradeChecker:
           jobEnabled: false
         defaultSettings:
-          defaultReplicaCount: 2
+          defaultReplicaCount: 1
           defaultDataLocality: best-effort
         persistence:
           defaultClassReplicaCount: 2