diff --git a/deploy/longhorn.yaml b/deploy/longhorn.yaml
index 1897dad..fc4b59d 100644
--- a/deploy/longhorn.yaml
+++ b/deploy/longhorn.yaml
@@ -3610,7 +3610,7 @@ metadata:
   name: longhorn-ui
   namespace: longhorn-system
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app: longhorn-ui
@@ -3622,6 +3622,18 @@ spec:
         app.kubernetes.io/version: v1.3.2
         app: longhorn-ui
     spec:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 1
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: app
+                  operator: In
+                  values:
+                  - longhorn-ui
+              topologyKey: kubernetes.io/hostname
       containers:
       - name: longhorn-ui
         image: longhornio/longhorn-ui:v1.3.2